Repo re-org, now we are KiCad add-ons.

7 files changed, 1041 insertions, 0 deletions

diff --git a/de.jaseg.kimesh.plugin/metadata.json b/de.jaseg.kimesh.plugin/metadata.json
new file mode 100644
index 0000000..288f811
--- /dev/null
+++ b/de.jaseg.kimesh.plugin/metadata.json
@@ -0,0 +1,22 @@
+{
+    "$schema": "https://go.kicad.org/pcm/schemas/v1",
+    "name": "KiMesh",
+    "description": "A security mesh generator for KiCad",
+    "description_full": "KiMesh automatically generates security meshes for you. A security mesh is a set of PCB traces that cover an area to detect physical tampering. KiMesh can cover arbitrary areas with two or more traces. Note: The KiMesh footprints Add-On must be installed alongside KiMesh. For detailed usage instructions, please have a look at the KiMesh website linked in the add-on information.",
+    "identifier": "de.jaseg.kimesh.plugin",
+    "type": "plugin",
+    "author": {
+        "name": "jaseg",
+        "contact": {
+            "web": "https://jaseg.de/"
+        }
+    },
+    "license": "GPL-3.0",
+    "resources": {
+        "homepage": "https://jaseg.de/projects/kimesh",
+        "git": "https://git.jaseg.de/kimesh.git",
+        "issues": "https://github.com/jaseg/kimesh/issues"
+    },
+    "versions": [
+    ]
+}
diff --git a/de.jaseg.kimesh.plugin/plugins/__init__.py b/de.jaseg.kimesh.plugin/plugins/__init__.py
new file mode 100644
index 0000000..8878834
--- /dev/null
+++ b/de.jaseg.kimesh.plugin/plugins/__init__.py
@@ -0,0 +1,4 @@
+from .mesh_plugin import MeshPlugin
+
+plugin = MeshPlugin()
+plugin.register()
diff --git a/de.jaseg.kimesh.plugin/plugins/mesh_dialog.py b/de.jaseg.kimesh.plugin/plugins/mesh_dialog.py
new file mode 100644
index 0000000..17dcf6a
--- /dev/null
+++ b/de.jaseg.kimesh.plugin/plugins/mesh_dialog.py
@@ -0,0 +1,773 @@
+from collections import defaultdict
+import dataclasses
+from contextlib import contextmanager
+import textwrap
+import random
+import math
+from itertools import count, islice
+import json
+import re
+from os import path
+import os
+
+import wx
+
+import pcbnew
+
+import matplotlib.cm
+import shapely
+from shapely import geometry
+from shapely.geometry import polygon
+from shapely import affinity
+import shapely.ops
+
+from . import mesh_plugin_dialog
+
+class GeneratorError(ValueError):
+    pass
+
+class AbortError(SystemError):
+    pass
+
+@dataclasses.dataclass
+class GeneratorSettings:
+    edge_clearance:     float = 1.5   # mm
+    anchor:             str   = None  # Footprint designator
+    chamfer:            float = 0.0   # unit fraction
+    mask_layer_id:      int   = 0     # kicad layer id, populated later
+    random_seed:        str   = None
+    randomness:         float = 1.0
+    use_keepouts:       bool  = True
+    use_outline:        bool  = True
+    save_visualization: bool  = True
+    visualization_path: str   = 'mesh_visualizations'
+
+    def serialize(self):
+        d = dataclasses.asdict(self)
+        d['kimesh_settings_version'] = '2.1.0'
+        return json.dumps(d).encode()
+
+    @classmethod
+    def deserialize(cls, data):
+        d = json.loads(data.decode())
+        version = d.pop('kimesh_settings_version')
+        vtup = tuple(map(int, version.split('.')))
+        if vtup > (2, 1, 0):
+            raise cls.VersionError("Project kimesh settings file is too new for this plugin's version.")
+        return cls(**d)
+
+    class VersionError(ValueError):
+        pass
+
+
+class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
+    def __init__(self, board):
+        mesh_plugin_dialog.MainDialog.__init__(self, None)
+        self.board = board
+
+        self.m_cancelButton.Bind(wx.EVT_BUTTON, self.quit)
+        self.m_removeButton.Bind(wx.EVT_BUTTON, self.confirm_tearup_mesh)
+        self.m_generateButton.Bind(wx.EVT_BUTTON, self.generate_mesh)
+        self.m_net_prefix.Bind(wx.EVT_TEXT, self.update_net_label)
+
+        self.tearup_confirm_dialog = wx.MessageDialog(self, "", style=wx.YES_NO | wx.NO_DEFAULT)
+
+        self.nets = { str(wxs) for wxs, netinfo in board.GetNetsByName().items() }
+        self.update_net_label(None)
+        self.update_outline_warning()
+
+        self.Fit()
+
+        settings = None
+        if path.isfile(self.settings_fn()):
+            with open(self.settings_fn(), 'rb') as f:
+                try:
+                    settings = GeneratorSettings.deserialize(f.read())
+                except (GeneratorSettings.VersionError, TypeError) as e:
+                    wx.MessageDialog(self, "Cannot load settings: {}.".format(e), "File I/O error. Will use default settings.").ShowModal()
+
+        for i in range(pcbnew.PCB_LAYER_ID_COUNT):
+            name = board.GetLayerName(i)
+            self.m_maskLayerChoice.Append(name)
+            if name == 'User.Eco1':
+                self.m_maskLayerChoice.SetSelection(i)
+
+        def sort_key(fp):
+            ref = fp.GetReference()
+            parts = re.findall(r'[0-9]+|[^0-9]+', ref)
+            return tuple(int(part) if part.isnumeric() else part for part in parts)
+
+        self.fps = sorted(self.board.Footprints(), key=sort_key)
+        for i, fp in enumerate(self.fps):
+            ref = fp.GetReference()
+            self.m_anchorChoice.Append(ref)
+            if settings and ref == settings.anchor:
+                self.m_anchorChoice.SetSelection(i)
+
+        if settings:
+            self.m_chamferSpin.Value = settings.chamfer*100.0
+            self.m_maskLayerChoice.SetSelection(settings.mask_layer_id)
+            self.m_seedInput.Value = settings.random_seed or ''
+            self.m_randomnessSpin.Value = settings.randomness*100.0
+            self.m_edgeClearanceSpin.Value = settings.edge_clearance
+            self.m_useOutlineCheckbox.Value = settings.use_outline
+            self.m_useKeepoutCheckbox.Value = settings.use_keepouts
+            self.m_vizTextfield.Value = settings.visualization_path
+            self.m_vizCheckbox.Value = settings.save_visualization
+
+        self.SetMinSize(self.GetSize())
+
+    @contextmanager
+    def viz(self, filename):
+        if self.m_vizCheckbox.Value:
+            val = self.m_vizTextfield.Value
+            project_dir = path.dirname(self.board.GetFileName())
+            if val:
+                val = path.join(project_dir, val)
+                if not os.path.isdir(val):
+                    os.mkdir(val)
+                filename = path.join(val, filename)
+
+            filename = path.join(project_dir, filename)
+            with open(filename, 'w') as f:
+                wrapper = DebugOutputWrapper(f)
+                yield wrapper
+                wrapper.save()
+        
+        else:
+            wrapper = DebugOutputWrapper(None)
+            yield wrapper
+
+    def board_has_outline(self):
+        # KiCad's API is absolutely insane. As long as the board has an outline, the board outline function works
+        # alright. Now imagine the Edge.Cuts layer is empty. What would be a sane thing to do? I guess raising an error
+        # would be the best, with the second best being to return something like the hull of all objects on the other
+        # layers. Alas, KiCad doesn't do either. Instead, KiCad returns the union of the shapes of all objects on the
+        # **VISIBLE** layers, so the result of that outline function changes with which layers the user has set to
+        # visible. Whyyyyy :(
+        # 
+        # We have to work around this to avoid presenting the user with a foot-gun in case they hide their mesh
+        # definition layer.
+        #
+        edge_cuts = self.board.GetLayerID('Edge.Cuts')
+        outline_objs = []
+        for drawing in self.board.GetDrawings():
+            if drawing.GetLayer() == edge_cuts:
+                return True
+        else:
+            return False
+
+    def update_outline_warning(self):
+        outlines = pcbnew.SHAPE_POLY_SET()
+        self.board.GetBoardPolygonOutlines(outlines)
+        board_outlines = list(self.poly_set_to_shapely(outlines))
+        board_mask = shapely.ops.unary_union(board_outlines)
+
+        if not self.board_has_outline() or board_mask.is_empty:
+            self.m_warningLabel.SetLabelMarkup('<b>Warning: Board outline not found</b>')
+        else:
+            self.m_warningLabel.SetLabelMarkup('')
+
+    def get_matching_nets(self):
+        prefix = self.m_net_prefix.Value
+        return { net for net in self.nets if net.startswith(prefix) }
+
+    def confirm_tearup_mesh(self, evt):
+        matching = self.get_matching_nets()
+
+        if not str(self.m_net_prefix.Value):
+            message = "You have set an empty net prefix. This will match ALL {} nets on the board. Do you really want to tear up all tracks? This cannot be undone!"
+
+        else:
+            message = "Do you really want to tear up all traces of the {} matching nets on this board? This step cannot be undone!"
+
+        message = message.format(len(matching)) + "\n\nMatching nets:\n" + ", ".join(
+                '""' if not netname else (netname[:16] + '...' if len(netname) > 16 else netname)
+                for netname in (sorted(matching)[:5] + ['...'] if len(matching) > 5 else [])
+        )
+        self.tearup_confirm_dialog.SetMessage(message)
+        self.tearup_confirm_dialog.SetYesNoLabels("Tear up {} traces".format(len(matching)), "Close")
+
+        if self.tearup_confirm_dialog.ShowModal() == wx.ID_YES:
+            self.tearup_mesh(matching)
+
+    def tearup_mesh(self, matching=None):
+        count = 0
+        anchor, target_layer_id = self.get_anchor()
+        for track in self.board.GetTracks():
+            if matching is not None and track.GetNet().GetNetname() not in matching:
+                continue
+
+            if track.GetLayer() != target_layer_id:
+                continue
+
+            count += 1
+            self.board.Remove(track)
+        print(f'Tore up {count} trace segments.')
+
+    def settings_fn(self):
+        return path.join(path.dirname(self.board.GetFileName()), 'last_kimesh_settings.json')
+
+    def get_anchor(self):
+        ref = str(self.fps[self.m_anchorChoice.GetSelection()].GetReference())
+        footprints = [ fp for fp in self.board.Footprints() if fp.GetReference() == ref ]
+        if len(footprints) == 0:
+            wx.MessageDialog(self, f'Error: Could not find anchor footprint "{ref}".').ShowModal()
+            raise ValueError()
+        if len(footprints) > 1:
+            wx.MessageDialog(self, f'Error: Multiple footprints with anchor footprint reference "{ref}".').ShowModal()
+            raise ValueError()
+        anchor = footprints[0]
+        pad0, *_ = anchor.Pads()
+        lset = pad0.GetLayerSet()
+        target_layer_id, *_ = [l for l in lset.CuStack() if lset.Contains(l)]
+        return anchor, target_layer_id
+
+    def generate_mesh(self, evt):
+        try:
+            settings = GeneratorSettings(
+                edge_clearance = float(self.m_edgeClearanceSpin.Value),
+                anchor      = str(list(self.board.Footprints())[self.m_anchorChoice.GetSelection()].GetReference()),
+                chamfer     = float(self.m_chamferSpin.Value)/100.0,
+                mask_layer_id   = self.m_maskLayerChoice.GetSelection(),
+                random_seed = str(self.m_seedInput.Value) or None,
+                randomness  = float(self.m_randomnessSpin.Value)/100.0,
+                use_outline = self.m_useOutlineCheckbox.Value,
+                use_keepouts = self.m_useKeepoutCheckbox.Value,
+                visualization_path = self.m_vizTextfield.Value,
+                save_visualization = self.m_vizCheckbox.Value)
+        except ValueError as e:
+            return wx.MessageDialog(self, "Invalid input value: {}.".format(e), "Invalid input").ShowModal()
+
+        try:
+            with open(self.settings_fn(), 'wb') as f:
+                f.write(settings.serialize())
+                print('Saved settings to', f.name)
+        except:
+            wx.MessageDialog(self, "Cannot save settings: {}.".format(e), "File I/O error").ShowModal()
+
+
+        anchor, target_layer_id = self.get_anchor()
+
+        mesh_zones = []
+        for drawing in self.board.GetDrawings():
+            if drawing.GetLayer() == settings.mask_layer_id:
+                mesh_zones.append(drawing.GetPolyShape())
+
+        if not mesh_zones:
+            return wx.MessageDialog(self, "Error: Could not find any mesh zones on the outline pattern layer.").ShowModal()
+
+        keepouts = []
+        for zone in self.board.Zones():
+            if zone.GetDoNotAllowCopperPour() and zone.GetLayerSet().Contains(target_layer_id):
+                keepouts.append(zone.Outline())
+        print(f'Found {len(keepouts)} keepout areas.')
+
+        if self.board_has_outline() and self.m_useOutlineCheckbox.Value: # Avoid foot-gun due to insane API. See note in the function.
+            outlines = pcbnew.SHAPE_POLY_SET()
+            self.board.GetBoardPolygonOutlines(outlines)
+            board_outlines = list(self.poly_set_to_shapely(outlines))
+            board_mask = shapely.ops.unary_union(board_outlines)
+            mask = board_mask.buffer(-settings.edge_clearance)
+            print('board outline bounds:', mask.bounds)
+            if mask.is_empty:
+                return wx.MessageDialog(self, "Error: Board edge clearance is set too high. There is nothing left for the mesh after applying clearance.").ShowModal()
+        else:
+            mask = None
+
+        zone_outlines = [ outline for zone in mesh_zones for outline in self.poly_set_to_shapely(zone) ]
+        zone_mask = shapely.ops.unary_union(zone_outlines)
+        if zone_mask.is_empty:
+            return wx.MessageDialog(self, "Error: Empty mesh outline on mesh outline layer. Make sure the mesh outline is defined with polygon objects only. Other shapes are not supported yet.").ShowModal()
+        elif mask is None:
+            mask = zone_mask
+        else:
+            mask = zone_mask.intersection(mask)
+        print('Mesh mask bounds:', zone_mask.bounds)
+
+        if self.m_useKeepoutCheckbox.Value:
+            keepout_outlines = [ outline for zone in keepouts for outline in self.poly_set_to_shapely(zone) ]
+            keepout_mask = shapely.ops.unary_union(keepout_outlines)
+            if not keepout_mask.is_empty:
+                mask = shapely.difference(mask, keepout_mask)
+            print('keepout mask bounds:', keepout_mask.bounds)
+            print('resulting mask bounds:', mask.bounds)
+        if mask.is_empty:
+            return wx.MessageDialog(self, "Error: After applying all keepouts, and intersecting with the board's outline, the mesh outline is empty.")
+
+        try:
+            def warn(msg):
+                dialog = wx.MessageDialog(self, msg + '\n\nDo you want to abort mesh generation?',
+                        "Mesh Generation Warning").ShowModal()
+                dialog = wx.MessageDialog(self, "", style=wx.YES_NO | wx.NO_DEFAULT)
+                dialog.SetYesNoLabels("Abort", "Ignore and continue")
+
+                if self.tearup_confirm_dialog.ShowModal() == wx.ID_YES:
+                    raise AbortError()
+
+            self.generate_mesh_backend(mask, anchor, net_prefix=str(self.m_net_prefix.Value), target_layer_id=target_layer_id, warn=warn, settings=settings)
+
+        except GeneratorError as e:
+            return wx.MessageDialog(self, str(e), "Mesh Generation Error").ShowModal()
+        except AbortError:
+            pass
+
+    def poly_set_to_shapely(self, poly_set):
+        for i in range(poly_set.OutlineCount()):
+            outline = poly_set.Outline(i)
+
+            def shape_line_chain_to_coords(line_chain):
+                points = []
+                for j in range(line_chain.PointCount()):
+                    point = line_chain.CPoint(j)
+                    points.append((pcbnew.ToMM(point.x), pcbnew.ToMM(point.y)))
+                return points
+
+            exterior = shape_line_chain_to_coords(outline)
+            interiors = [ shape_line_chain_to_coords(poly_set.Hole(i, j)) for j in range(poly_set.HoleCount(i)) ]
+            yield polygon.Polygon(exterior, interiors)
+
+    def generate_mesh_backend(self, mask, anchor, net_prefix, target_layer_id, warn=lambda s: None, settings=GeneratorSettings()):
+        anchor_outlines = list(self.poly_set_to_shapely(anchor.GetBoundingHull()))
+        if len(anchor_outlines) == 0:
+            raise GeneratorError('Could not find any outlines for anchor {}'.format(anchor.GetReference()))
+        if len(anchor_outlines) > 1:
+            warn('Anchor {} has multiple outlines. Using first outline for trace start.')
+        anchor_pads = list(sorted(anchor.Pads(), key=lambda pad: int(pad.GetNumber())))
+
+        trace_width = pcbnew.ToMM(anchor_pads[0].GetSize()[0])
+        space_width = pcbnew.ToMM(math.dist(anchor_pads[0].GetPosition(), anchor_pads[1].GetPosition())) - trace_width
+        num_traces = len(anchor_pads)
+        assert num_traces%4 == 0
+        num_traces //= 4
+        nets = [f'{net_prefix}{i}' for i in range(num_traces)]
+
+        width_per_trace = trace_width + space_width
+        grid_cell_width = width_per_trace * num_traces * 2
+        print(f'mesh cell size is {grid_cell_width}')
+
+        x0, y0 = anchor_pads[len(anchor_pads)//2].GetPosition()
+        x0, y0 = pcbnew.ToMM(x0), pcbnew.ToMM(y0)
+        xl, yl = anchor_pads[-1].GetPosition()
+        xl, yl = pcbnew.ToMM(xl), pcbnew.ToMM(yl)
+
+        mesh_angle = math.atan2(xl-x0, yl-y0)
+        print('mesh angle is', math.degrees(mesh_angle))
+        len_along = - width_per_trace/2
+        x0 += len_along * math.sin(mesh_angle)
+        y0 += len_along * math.cos(mesh_angle)
+
+        mask_xformed = affinity.translate(mask, -x0, -y0)
+        mask_xformed = affinity.rotate(mask_xformed, -mesh_angle, origin=(0, 0), use_radians=True)
+        bbox = mask_xformed.bounds
+
+        grid_x0, grid_y0 = math.floor(bbox[0]/grid_cell_width), math.floor(bbox[1]/grid_cell_width)
+        grid_origin = grid_x0*grid_cell_width, grid_y0*grid_cell_width
+        grid_rows = int(math.ceil((bbox[3] - grid_origin[1]) / grid_cell_width))
+        grid_cols = int(math.ceil((bbox[2] - grid_origin[0]) / grid_cell_width))
+        print(f'generating grid of size {grid_rows} * {grid_cols} with origin {grid_x0}, {grid_y0}')
+
+        grid = []
+        for y in range(grid_y0, grid_y0+grid_rows):
+            row = []
+            for x in range(grid_x0, grid_x0+grid_cols):
+                cell = polygon.Polygon([(0, 0), (0, 1), (1, 1), (1, 0)])
+                cell = affinity.scale(cell, grid_cell_width, grid_cell_width, origin=(0, 0))
+                cell = affinity.translate(cell, x*grid_cell_width, y*grid_cell_width)
+                cell = affinity.rotate(cell, mesh_angle, origin=(0, 0), use_radians=True)
+                cell = affinity.translate(cell, x0, y0)
+                row.append(cell)
+            grid.append(row)
+
+        num_valid = 0
+        with self.viz('mesh_grid.svg') as dbg:
+            dbg.add(mask, color='#00000020')
+
+            for y, row in enumerate(grid, start=grid_y0):
+                for x, cell in enumerate(row, start=grid_x0):
+                    if mask.contains(cell):
+                        if x == 0 and y == 0: # exit cell
+                            color = '#ff00ff80'
+                        else:
+                            num_valid += 1
+                            color = '#00ff0080'
+                    elif mask.overlaps(cell):
+                        color = '#ffff0080'
+                    else:
+                        color = '#ff000080'
+                    dbg.add(cell, color=color)
+
+            for foo in anchor_outlines:
+                dbg.add(foo, color='#0000ff00', stroke_width=0.05, stroke_color='#000000ff')
+
+            dbg.add([[(x0-2, y0), (x0+2, y0)], [(x0, y0-2), (x0, y0+2)]], color='none', stroke_width=0.05, stroke_color='#ff0000ff')
+
+        def is_valid(cell):
+            if not mask.contains(cell):
+                return False
+            return True
+
+        def iter_neighbors(x, y):
+            if x > grid_x0:
+                yield x-1, y, 0b0100
+            if x - grid_x0 < grid_cols:
+                yield x+1, y, 0b0001
+            if y > grid_y0:
+                yield x, y-1, 0b1000
+            if y - grid_y0 < grid_rows:
+                yield x, y+1, 0b0010
+
+        def reciprocal(mask):
+            return {
+                    0b0001: 0b0100,
+                    0b0010: 0b1000,
+                    0b0100: 0b0001,
+                    0b1000: 0b0010,
+                    0b0000: 0b0000
+                    }[mask]
+
+        rnd_state = random.Random(settings.random_seed)
+        def skewed_random_iter(it, mask, randomness):
+            l = list(it)
+            if rnd_state.random() < 1.0 - randomness:
+                for x, y, m in l:
+                    if m == mask:
+                        yield x, y, m
+                        break
+                l.remove((x, y, m))
+            rnd_state.shuffle(l)
+            yield from l
+
+        def add_track(segment:geometry.LineString, net=None):
+            coords = list(segment.coords)
+            for (x1, y1), (x2, y2) in zip(coords, coords[1:]):
+                if (x1, y1) == (x2, y2): # zero-length track due to zero chamfer
+                    continue
+                track = pcbnew.PCB_TRACK(self.board)
+                #track.SetStatus(track.GetStatus() | pcbnew.TRACK_AR)
+                track.SetStart(pcbnew.VECTOR2I(pcbnew.FromMM(x1), pcbnew.FromMM(y1)))
+                track.SetEnd(pcbnew.VECTOR2I(pcbnew.FromMM(x2), pcbnew.FromMM(y2)))
+                track.SetWidth(pcbnew.FromMM(trace_width))
+                track.SetLayer(target_layer_id)
+                if net is not None:
+                    track.SetNet(net)
+                self.board.Add(track)
+
+        netinfos = []
+        for name in nets:
+            ni = pcbnew.NETINFO_ITEM(self.board, name)
+            self.board.Add(ni)
+            netinfos.append(ni)
+
+        not_visited = { (x, y) for x in range(grid_x0, grid_x0+grid_cols) for y in range(grid_y0, grid_y0+grid_rows) if is_valid(grid[y-grid_y0][x-grid_x0]) }
+        num_to_visit = len(not_visited)
+        track_count = 0
+        with self.viz('mesh_cells.svg') as dbg_cells,\
+             self.viz('mesh_composite.svg') as dbg_composite,\
+             self.viz('mesh_tiles.svg') as dbg_tiles,\
+             self.viz('mesh_traces.svg') as dbg_traces:
+            dbg_cells.add(mask, color='#00000020')
+            dbg_composite.add(mask, color='#00000020')
+            dbg_traces.add(mask, color='#00000020')
+            dbg_tiles.add(mask, color='#00000020')
+            
+            TILE_COLORS = {
+                0b0000: '#ffcc00ff',
+                0b0001: '#d40000ff',
+                0b0010: '#d40000ff',
+                0b0011: '#ff6600ff',
+                0b0100: '#d40000ff',
+                0b0101: '#00d400ff',
+                0b0110: '#ff6600ff',
+                0b0111: '#00ccffff',
+                0b1000: '#d40000ff',
+                0b1001: '#ff6600ff',
+                0b1010: '#00d400ff',
+                0b1011: '#00ccffff',
+                0b1100: '#ff6600ff',
+                0b1101: '#00ccffff',
+                0b1110: '#00ccffff',
+                0b1111: '#ffcc00ff'}
+            x, y = -1, 0
+            visited = 0
+            key = 0
+            entry_dir = 0b0001
+            stack = []
+            depth = 0
+            max_depth = 0
+            i = 0
+            past_tiles = {}
+            def dump_output(i):
+                with self.viz(f'per-tile/step{i}.svg') as dbg_per_tile:
+                    dbg_per_tile.add(mask, color='#00000020')
+                    for foo in anchor_outlines:
+                        dbg_per_tile.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000')
+                        
+                    for le_y, row in enumerate(grid):
+                        for le_x, cell in enumerate(row):
+                            if mask.contains(cell):
+                                if cell == exit_cell[0]:
+                                    color = '#ff00ff80'
+                                elif any(ol.overlaps(cell) for ol in anchor_outlines):
+                                    color = '#ffff0080'
+                                elif any(ol.contains(cell) for ol in anchor_outlines):
+                                    color = '#ff000080'
+                                else:
+                                    color = '#00ff0080'
+                            elif mask.overlaps(cell):
+                                color = '#ffff0080'
+                            else:
+                                color = '#ff000080'
+                            dbg_per_tile.add(cell, color=color)
+
+                    for (le_x, le_y), (stroke_color, segments) in past_tiles.items():
+                        for segment in segments:
+                            segment = affinity.scale(segment, grid_cell_width, grid_cell_width, origin=(0, 0))
+                            segment = affinity.translate(segment, le_x*grid_cell_width, le_y*grid_cell_width)
+                            segment = affinity.rotate(segment, mesh_angle, origin=(0, 0), use_radians=True)
+                            segment = affinity.translate(segment, x0, y0)
+                            dbg_per_tile.add(segment, stroke_width=trace_width, color='#ff000000', stroke_color=stroke_color)
+
+            armed = False
+            while not_visited or stack:
+                for n_x, n_y, bmask in skewed_random_iter(iter_neighbors(x, y), entry_dir, settings.randomness):
+                    if (n_x, n_y) in not_visited:
+                        dbg_composite.add(grid[n_y-grid_y0][n_x-grid_x0], color=('visit_depth', depth), opacity=1.0)
+                        dbg_cells.add(grid[n_y-grid_y0][n_x-grid_x0], color=('visit_depth', depth), opacity=1.0)
+                        key |= bmask
+                        stack.append((x, y, key, bmask, depth))
+                        not_visited.remove((n_x, n_y))
+                        visited += 1
+                        depth += 1
+                        i += 1
+                        armed = True
+                        max_depth = max(depth, max_depth)
+
+                        past_tiles[x, y] = (TILE_COLORS[key],
+                                [segment
+                                    for segment, _net in Pattern.render(key, num_traces, settings.chamfer) ])
+
+                        x, y, key, entry_dir = n_x, n_y, reciprocal(bmask), bmask
+                        #dump_output(i)
+                        break
+                else:
+                    stroke_color = TILE_COLORS[key]
+                    past_tiles[x, y] = (stroke_color,
+                            [segment for segment, _net in Pattern.render(key, num_traces, settings.chamfer) ])
+                    for segment, net in Pattern.render(key, num_traces, settings.chamfer):
+                        if is_valid(grid[y-grid_y0][x-grid_x0]):
+                            segment = affinity.scale(segment, grid_cell_width, grid_cell_width, origin=(0, 0))
+                            segment = affinity.translate(segment, x*grid_cell_width, y*grid_cell_width)
+                            segment = affinity.rotate(segment, mesh_angle, origin=(0, 0), use_radians=True)
+                            segment = affinity.translate(segment, x0, y0)
+                            dbg_composite.add(segment, stroke_width=trace_width, color='#ff000000', stroke_color='#ffffff60')
+                            dbg_traces.add(segment, stroke_width=trace_width, color='#ff000000', stroke_color='#000000ff')
+                            dbg_tiles.add(segment, stroke_width=trace_width, color='#ff000000', stroke_color=stroke_color)
+                            add_track(segment, netinfos[net]) # FIXME (works, disabled for debug)
+                            track_count += 1
+                    if not stack:
+                        break
+                    if armed:
+                        i += 1
+                        #dump_output(i)
+                        armed = False
+                    *stack, (x, y, key, entry_dir, depth) = stack
+
+            dbg_cells.scale_colors('visit_depth', max_depth)
+            dbg_composite.scale_colors('visit_depth', max_depth)
+
+            for foo in anchor_outlines:
+                dbg_cells.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000')
+                dbg_traces.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000')
+                dbg_composite.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000')
+                dbg_tiles.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000')
+
+
+        print(f'Added {track_count} trace segments.')
+
+        #pcbnew.Refresh()
+        #self.tearup_mesh()
+        # TODO generate
+
+    def update_net_label(self, evt):
+        self.m_netLabel.SetLabel('Like: ' + ', '.join(f'{self.m_net_prefix.Value}{i}' for i in range(3)) + ', ...')
+
+    def quit(self, evt):
+        self.Destroy()
+
+
+class Pattern:
+    @staticmethod
+    def render(key, n, cd=0):
+        yield from Pattern.LUT[key](n, cd=math.tan(math.pi/8) * cd)
+    
+    def draw_I(n, cd):
+        for i in range(n):
+            sp = (i+0.5) * (1/(2*n))
+            yield geometry.LineString([(sp, 0), (sp, 1)]), i
+            sp = (2*n-1-i+0.5) * (1/(2*n))
+            yield geometry.LineString([(sp, 0), (sp, 1)]), i
+
+    def draw_U(n, cd):
+        pitch = (1/(2*n))
+        cd *= pitch # chamfer depth
+        for i in range(n):
+            sp = (i+0.5) * pitch
+            yield geometry.LineString([(sp, 0), (sp, 1-sp-cd), (sp+cd, 1-sp), (1-sp-cd, 1-sp), (1-sp, 1-sp-cd), (1-sp, 0)]), i
+
+    def draw_L(n, cd):
+        pitch = (1/(2*n))
+        cd *= pitch # chamfer depth
+        for i in range(n):
+            sp = (i+0.5) * pitch
+            yield geometry.LineString([(sp, 0), (sp, 1-sp-cd), (sp+cd, 1-sp), (1, 1-sp)]), i
+            sp = (2*n-1-i+0.5) * pitch
+            yield geometry.LineString([(sp, 0), (sp, 1-sp-cd), (sp+cd, 1-sp), (1, 1-sp)]), i
+    
+    def draw_T(n, cd):
+        pitch = (1/(2*n))
+        cd *= pitch # chamfer depth
+        for i in range(n):
+            sp = (i+0.5) * pitch
+            # through line
+            yield geometry.LineString([(0, sp), (1, sp)]), i
+            # two corners on the opposite side
+            yield geometry.LineString([(0, 1-sp), (sp-cd, 1-sp), (sp, 1-sp+cd), (sp, 1)]), i
+            yield geometry.LineString([(1-sp, 1), (1-sp, 1-sp+cd), (1-sp+cd, 1-sp), (1, 1-sp)]), i
+
+    def draw_X(n, cd):
+        pitch = (1/(2*n))
+        cd *= pitch # chamfer depth
+        for i in range(n):
+            sp = (i+0.5) * pitch
+            yield geometry.LineString([(0, sp), (sp-cd, sp), (sp, sp-cd), (sp, 0)]), i
+            yield geometry.LineString([(1-sp, 0), (1-sp, sp-cd), (1-sp+cd, sp), (1, sp)]), i
+            yield geometry.LineString([(0, 1-sp), (sp-cd, 1-sp), (sp, 1-sp+cd), (sp, 1)]), i
+            yield geometry.LineString([(1-sp, 1), (1-sp, 1-sp+cd), (1-sp+cd, 1-sp), (1, 1-sp)]), i
+
+    def rotate(pattern, deg):
+        def wrapper(n, *args, **kwargs):
+            for segment, net in pattern(n, *args, **kwargs):
+                yield affinity.rotate(segment, deg, origin=(0.5, 0.5)), net
+        return wrapper
+
+    def raise_error(n, *args, **kwargs):
+        #raise ValueError('Tried to render invalid cell. This is a bug.')
+        return []
+
+    LUT = {
+            0b0000: raise_error,
+            0b0001: rotate(draw_U, 90),
+            0b0010: rotate(draw_U, 180),
+            0b0011: rotate(draw_L, 90),
+            0b0100: rotate(draw_U, -90),
+            0b0101: rotate(draw_I, -90),
+            0b0110: rotate(draw_L, 180),
+            0b0111: draw_T,
+            0b1000: draw_U,
+            0b1001: draw_L,
+            0b1010: draw_I,
+            0b1011: rotate(draw_T, -90),
+            0b1100: rotate(draw_L, -90),
+            0b1101: rotate(draw_T, 180),
+            0b1110: rotate(draw_T, 90),
+            0b1111: draw_X
+    }
+
+
+def virihex(val, max=1.0, alpha=1.0):
+    r, g, b, _a = matplotlib.cm.viridis(val/max)
+    r, g, b, a = [ int(round(0xff*c)) for c in [r, g, b, alpha] ]
+    return f'#{r:02x}{g:02x}{b:02x}{a:02x}'
+
+class DebugOutputWrapper:
+    def __init__(self, f):
+        self.f = f
+        self.objs = []
+
+    def scale_colors(self, group, max_value):
+        self.objs = [
+                (obj,
+                    (virihex(color[1], max=max_value) if isinstance(color, tuple) and color[0] == group else color,
+                        *rest))
+            for obj, (color, *rest) in self.objs ]
+
+    def add(self, obj, color=None, stroke_width=0, stroke_color=None, opacity=1.0):
+        self.objs.append((obj, (color, stroke_color, stroke_width, opacity)))
+
+    def gen_svg(self, obj, fill_color=None, stroke_color=None, stroke_width=None, opacity=1.0):
+        fill_color = fill_color or '#ff0000aa'
+        stroke_color = stroke_color or '#000000ff'
+        stroke_width = 0 if stroke_width is None else stroke_width
+
+        if isinstance(obj, geometry.MultiPolygon):
+            out = ''
+            for geom in obj.geoms:
+                out += self.gen_svg(geom, fill_color, stroke_color, stroke_width, opacity)
+            return out
+
+        elif isinstance(obj, polygon.Polygon):
+            exterior_coords = [ ["{},{}".format(*c) for c in obj.exterior.coords] ]
+            interior_coords = [ ["{},{}".format(*c) for c in interior.coords] for interior in obj.interiors ]
+            all_coords = exterior_coords + interior_coords
+            path = " ".join([
+                "M {0} L {1} z".format(coords[0], " L ".join(coords[1:]))
+                for coords in all_coords])
+
+        elif isinstance(obj, geometry.LineString):
+            all_coords = [ ["{},{}".format(*c) for c in obj.coords] ]
+            path = " ".join([
+                "M {0} L {1}".format(coords[0], " L ".join(coords[1:]))
+                for coords in all_coords])
+
+        elif isinstance(obj, list):
+            all_coords = [ [f'{x},{y}' for x, y in seg] for seg in obj ]
+            path = " ".join([
+                "M {0} L {1}".format(coords[0], " L ".join(coords[1:]))
+                for coords in all_coords])
+
+        else:
+            raise ValueError(f'Unhandled shapely object type {type(obj)}')
+
+        return (f'<path fill-rule="evenodd" fill="{fill_color}" opacity="{opacity}" stroke="{stroke_color}" '
+                f'stroke-width="{stroke_width}" d="{path}" />')
+    
+    def save(self, margin:'unit'=5, scale:'px/unit'=10):
+        #specify margin in coordinate units
+        margin = 5
+
+        bboxes = [ list(obj.bounds) for obj, _style in self.objs if not isinstance(obj, list) ]
+        min_x = min( bbox[0] for bbox in bboxes ) - margin
+        min_y = min( bbox[1] for bbox in bboxes ) - margin
+        max_x = max( bbox[2] for bbox in bboxes ) + margin
+        max_y = max( bbox[3] for bbox in bboxes ) + margin
+
+        width = max_x - min_x
+        height = max_y - min_y
+
+        props = {
+            'version': '1.1',
+            'baseProfile': 'full',
+            'width': '{width:.0f}px'.format(width = width*scale),
+            'height': '{height:.0f}px'.format(height = height*scale),
+            'viewBox': '%.1f,%.1f,%.1f,%.1f' % (min_x, min_y, width, height),
+            'xmlns': 'http://www.w3.org/2000/svg',
+            'xmlns:ev': 'http://www.w3.org/2001/xml-events',
+            'xmlns:xlink': 'http://www.w3.org/1999/xlink'
+        }
+
+        if self.f is not None:
+            self.f.write(textwrap.dedent(r'''
+                <?xml version="1.0" encoding="utf-8" ?>
+                <svg {attrs:s}>
+                {data}
+                </svg>
+            ''').format(
+                attrs = ' '.join(['{key:s}="{val:s}"'.format(key = key, val = props[key]) for key in props]),
+                data = '\n'.join(self.gen_svg(obj, *style) for obj, style in self.objs)
+            ).strip())
+
+def show_dialog(board):
+    dialog = MeshPluginMainDialog(board)
+    dialog.ShowModal()
+    return dialog
diff --git a/de.jaseg.kimesh.plugin/plugins/mesh_plugin.py b/de.jaseg.kimesh.plugin/plugins/mesh_plugin.py
new file mode 100644
index 0000000..1951875
--- /dev/null
+++ b/de.jaseg.kimesh.plugin/plugins/mesh_plugin.py
@@ -0,0 +1,38 @@
+from os import path
+import subprocess
+import sys
+
+import wx
+
+import pcbnew
+
+def check_requirements(*packages):
+    missing = []
+    for pkg in packages:
+        try:
+            __import__(pkg)
+        except ImportError:
+            missing.append(pkg)
+
+    if missing:
+        wx.MessageDialog(None, "Error: Missing python dependencies:\n\n{}".format('\n'.join(missing)),
+                "Missing Dependencies").ShowModal()
+        return False
+
+    else:
+        return True
+
+class MeshPlugin(pcbnew.ActionPlugin):
+    def defaults(self):
+        self.name = 'Mesh generator'
+        self.category = 'Modify PCB'
+        self.description = 'Creates security mesh traces on a PCB'
+        self.icon_file_name = path.join(path.dirname(__file__), 'mesh_plugin_icon.png')
+        self.show_toolbar_button = True
+
+    def Run(self):
+        if not check_requirements('shapely'):
+            return
+
+        from .mesh_dialog import show_dialog
+        show_dialog(pcbnew.GetBoard())
diff --git a/de.jaseg.kimesh.plugin/plugins/mesh_plugin_dialog.py b/de.jaseg.kimesh.plugin/plugins/mesh_plugin_dialog.py
new file mode 100644
index 0000000..790caa8
--- /dev/null
+++ b/de.jaseg.kimesh.plugin/plugins/mesh_plugin_dialog.py
@@ -0,0 +1,204 @@
+# -*- coding: utf-8 -*-
+
+###########################################################################
+## Python code generated with wxFormBuilder (version 3.10.1-380-gf48f2659)
+## http://www.wxformbuilder.org/
+##
+## PLEASE DO *NOT* EDIT THIS FILE!
+###########################################################################
+
+import wx
+import wx.xrc
+
+###########################################################################
+## Class MainDialog
+###########################################################################
+
+class MainDialog ( wx.Dialog ):
+
+	def __init__( self, parent ):
+		wx.Dialog.__init__ ( self, parent, id = wx.ID_ANY, title = u"Security Mesh Generator Plugin", pos = wx.DefaultPosition, size = wx.Size( 632,580 ), style = wx.CLOSE_BOX|wx.DEFAULT_DIALOG_STYLE|wx.MINIMIZE_BOX|wx.RESIZE_BORDER|wx.STAY_ON_TOP )
+
+		self.SetSizeHints( wx.DefaultSize, wx.DefaultSize )
+
+		bSizer1 = wx.BoxSizer( wx.VERTICAL )
+
+		self.m_warningLabel = wx.StaticText( self, wx.ID_ANY, u"<font color=\"red\"><b>Warning: Board outline not found</b></font>", wx.DefaultPosition, wx.DefaultSize, wx.ALIGN_CENTER_HORIZONTAL )
+		self.m_warningLabel.SetLabelMarkup( u"<font color=\"red\"><b>Warning: Board outline not found</b></font>" )
+		self.m_warningLabel.Wrap( -1 )
+
+		bSizer1.Add( self.m_warningLabel, 0, wx.ALL|wx.EXPAND, 5 )
+
+		fgSizer1 = wx.FlexGridSizer( 0, 2, 0, 0 )
+		fgSizer1.AddGrowableCol( 1 )
+		fgSizer1.SetFlexibleDirection( wx.BOTH )
+		fgSizer1.SetNonFlexibleGrowMode( wx.FLEX_GROWMODE_SPECIFIED )
+
+		self.m_staticText1 = wx.StaticText( self, wx.ID_ANY, u"Mesh net name prefix", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText1.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText1, 1, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		self.m_net_prefix = wx.TextCtrl( self, wx.ID_ANY, u"mesh", wx.DefaultPosition, wx.DefaultSize, 0 )
+		fgSizer1.Add( self.m_net_prefix, 2, wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, 5 )
+
+
+		fgSizer1.Add( ( 0, 0), 0, wx.EXPAND, 5 )
+
+		self.m_netLabel = wx.StaticText( self, wx.ID_ANY, u"0 matching nets", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_netLabel.Wrap( -1 )
+
+		fgSizer1.Add( self.m_netLabel, 0, wx.ALL, 5 )
+
+		self.m_staticText261 = wx.StaticText( self, wx.ID_ANY, u"Board edge clearance", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText261.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText261, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		bSizer51 = wx.BoxSizer( wx.HORIZONTAL )
+
+		self.m_edgeClearanceSpin = wx.SpinCtrlDouble( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, wx.SP_ARROW_KEYS, 0, 1000, 1.500000, 0.1 )
+		self.m_edgeClearanceSpin.SetDigits( 3 )
+		bSizer51.Add( self.m_edgeClearanceSpin, 0, wx.ALL, 5 )
+
+		self.m_staticText61 = wx.StaticText( self, wx.ID_ANY, u"mm", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText61.Wrap( -1 )
+
+		bSizer51.Add( self.m_staticText61, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
+
+
+		fgSizer1.Add( bSizer51, 1, wx.EXPAND, 5 )
+
+		self.m_staticText20 = wx.StaticText( self, wx.ID_ANY, u"Chamfer depth", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText20.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText20, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		bSizer10 = wx.BoxSizer( wx.HORIZONTAL )
+
+		self.m_chamferSpin = wx.SpinCtrlDouble( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, wx.SP_ARROW_KEYS, 0, 100, 50, 25 )
+		self.m_chamferSpin.SetDigits( 2 )
+		bSizer10.Add( self.m_chamferSpin, 0, wx.ALL, 5 )
+
+		self.m_staticText21 = wx.StaticText( self, wx.ID_ANY, u"% (percent)", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText21.Wrap( -1 )
+
+		bSizer10.Add( self.m_staticText21, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
+
+
+		fgSizer1.Add( bSizer10, 1, wx.EXPAND, 5 )
+
+		self.m_staticText23 = wx.StaticText( self, wx.ID_ANY, u"Mesh outline layer", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText23.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText23, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		m_maskLayerChoiceChoices = []
+		self.m_maskLayerChoice = wx.ComboBox( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, m_maskLayerChoiceChoices, wx.CB_READONLY )
+		fgSizer1.Add( self.m_maskLayerChoice, 0, wx.ALL, 5 )
+
+		self.m_staticText24 = wx.StaticText( self, wx.ID_ANY, u"Random seed", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText24.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText24, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		bSizer11 = wx.BoxSizer( wx.HORIZONTAL )
+
+		self.m_seedInput = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
+		bSizer11.Add( self.m_seedInput, 0, wx.ALL, 5 )
+
+		self.m_staticText25 = wx.StaticText( self, wx.ID_ANY, u"Leave empty for random seed", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText25.Wrap( -1 )
+
+		bSizer11.Add( self.m_staticText25, 0, wx.ALL, 5 )
+
+
+		fgSizer1.Add( bSizer11, 1, wx.EXPAND, 5 )
+
+		self.m_staticText26 = wx.StaticText( self, wx.ID_ANY, u"Anchor footprint ", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText26.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText26, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		m_anchorChoiceChoices = []
+		self.m_anchorChoice = wx.ComboBox( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, m_anchorChoiceChoices, wx.CB_READONLY )
+		fgSizer1.Add( self.m_anchorChoice, 0, wx.ALL, 5 )
+
+		self.m_staticText28 = wx.StaticText( self, wx.ID_ANY, u"Routing randomness", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText28.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText28, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		bSizer12 = wx.BoxSizer( wx.HORIZONTAL )
+
+		self.m_randomnessSpin = wx.SpinCtrlDouble( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, wx.SP_ARROW_KEYS, 0, 100, 25, 25 )
+		self.m_randomnessSpin.SetDigits( 0 )
+		bSizer12.Add( self.m_randomnessSpin, 0, wx.ALL, 5 )
+
+		self.m_staticText211 = wx.StaticText( self, wx.ID_ANY, u"% (percent)", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText211.Wrap( -1 )
+
+		bSizer12.Add( self.m_staticText211, 0, wx.ALL, 5 )
+
+
+		fgSizer1.Add( bSizer12, 1, wx.EXPAND, 5 )
+
+
+		fgSizer1.Add( ( 0, 0), 1, wx.EXPAND, 5 )
+
+		self.m_useKeepoutCheckbox = wx.CheckBox( self, wx.ID_ANY, u"Respect zone keepouts", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_useKeepoutCheckbox.SetValue(True)
+		fgSizer1.Add( self.m_useKeepoutCheckbox, 0, wx.ALL, 5 )
+
+
+		fgSizer1.Add( ( 0, 0), 1, wx.EXPAND, 5 )
+
+		self.m_useOutlineCheckbox = wx.CheckBox( self, wx.ID_ANY, u"Respect board outline", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_useOutlineCheckbox.SetValue(True)
+		fgSizer1.Add( self.m_useOutlineCheckbox, 0, wx.ALL, 5 )
+
+
+		fgSizer1.Add( ( 0, 0), 1, wx.EXPAND, 5 )
+
+		self.m_vizCheckbox = wx.CheckBox( self, wx.ID_ANY, u"Save layout visualizations", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_vizCheckbox.SetValue(True)
+		fgSizer1.Add( self.m_vizCheckbox, 0, wx.ALL, 5 )
+
+		self.m_staticText14 = wx.StaticText( self, wx.ID_ANY, u"Visualization output directory", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText14.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText14, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		self.m_vizTextfield = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
+		fgSizer1.Add( self.m_vizTextfield, 0, wx.ALL|wx.EXPAND, 5 )
+
+
+		bSizer1.Add( fgSizer1, 1, wx.EXPAND, 5 )
+
+		bSizer99 = wx.BoxSizer( wx.HORIZONTAL )
+
+		self.m_cancelButton = wx.Button( self, wx.ID_ANY, u"Close", wx.DefaultPosition, wx.DefaultSize, 0 )
+		bSizer99.Add( self.m_cancelButton, 0, wx.ALL, 5 )
+
+
+		bSizer99.Add( ( 0, 0), 1, wx.EXPAND, 5 )
+
+		self.m_removeButton = wx.Button( self, wx.ID_ANY, u"Remove Matching Mesh Traces", wx.DefaultPosition, wx.DefaultSize, 0 )
+		bSizer99.Add( self.m_removeButton, 0, wx.ALL, 5 )
+
+		self.m_generateButton = wx.Button( self, wx.ID_ANY, u"Generate", wx.DefaultPosition, wx.DefaultSize, 0 )
+		bSizer99.Add( self.m_generateButton, 0, wx.ALL, 5 )
+
+
+		bSizer1.Add( bSizer99, 0, wx.ALL|wx.EXPAND, 3 )
+
+
+		self.SetSizer( bSizer1 )
+		self.Layout()
+
+		self.Centre( wx.BOTH )
+
+	def __del__( self ):
+		pass
+
+
diff --git a/de.jaseg.kimesh.plugin/plugins/mesh_plugin_icon.png b/de.jaseg.kimesh.plugin/plugins/mesh_plugin_icon.png
new file mode 100644
index 0000000..5f44344
--- /dev/null
+++ b/de.jaseg.kimesh.plugin/plugins/mesh_plugin_icon.png
diff --git a/de.jaseg.kimesh.plugin/resources/icon.png b/de.jaseg.kimesh.plugin/resources/icon.png
new file mode 100644
index 0000000..dbb60d1
--- /dev/null
+++ b/de.jaseg.kimesh.plugin/resources/icon.png