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-rw-r--r--.gitignore5
-rw-r--r--enclosure/lyza/depthmap_03.pngbin0 -> 47301 bytes
-rw-r--r--enclosure/lyza/depthmap_03_downscaled.pngbin0 -> 16735 bytes
-rw-r--r--enclosure/lyza/lyza_enclosure.scad238
-rw-r--r--enclosure/lyza/lyza_enclosure_v2.scad233
-rw-r--r--enclosure/lyza/standoffs.scad17
-rw-r--r--enclosure/lyza/test.blendbin0 -> 2315380 bytes
-rw-r--r--enclosure/rails/olsndot_base.scad (renamed from hardware/enclosure/olsndot_base.scad)0
-rw-r--r--enclosure/rails/olsndot_clamp_base.scad (renamed from hardware/enclosure/olsndot_clamp_base.scad)0
-rw-r--r--enclosure/rails/olsndot_clamp_stoppers.scad (renamed from hardware/enclosure/olsndot_clamp_stoppers.scad)0
-rw-r--r--enclosure/rails/openstep_base.scad68
-rw-r--r--enclosure/rails/raspi_adapter.scad68
-rw-r--r--enclosure/rails/rs485_base.scad43
13 files changed, 672 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
index b64c475..22acc11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,11 @@
hardware/History
hardware/Project Logs for olsndot
hardware/__Previews
+__pycache__
+.ipynb_checkpoints
+
+*.stl
+
# Windows image file caches
Thumbs.db
ehthumbs.db
diff --git a/enclosure/lyza/depthmap_03.png b/enclosure/lyza/depthmap_03.png
new file mode 100644
index 0000000..57e7c51
--- /dev/null
+++ b/enclosure/lyza/depthmap_03.png
Binary files differ
diff --git a/enclosure/lyza/depthmap_03_downscaled.png b/enclosure/lyza/depthmap_03_downscaled.png
new file mode 100644
index 0000000..5d093c5
--- /dev/null
+++ b/enclosure/lyza/depthmap_03_downscaled.png
Binary files differ
diff --git a/enclosure/lyza/lyza_enclosure.scad b/enclosure/lyza/lyza_enclosure.scad
new file mode 100644
index 0000000..b9695bb
--- /dev/null
+++ b/enclosure/lyza/lyza_enclosure.scad
@@ -0,0 +1,238 @@
+
+/* A small, arbitrary unit to guard against rounding errors */
+eps = 0.1;
+alot = 1000;
+
+/* Base PCB size */
+pcb_width = 50;
+pcb_height = 70;
+/* Extra space around PCB */
+pcb_extra = 1;
+
+/* Offset of screw hole centers from left/right/top/bottom side of board */
+screw_offx_l = 5;
+screw_offx_r = 5;
+screw_offx_t = 5;
+screw_offx_b = 5;
+
+/* Thickness of bottom, walls, lid (middle sections) */
+bottom_thickness = 1.5;
+wall_thickness = 1.5;
+lid_thickness = 1.5;
+
+/* Outside corner radius */
+corner_radius_wall = 3;
+corner_radius_lid = 2;
+
+screw_base_dia = 8;
+screw_base_h = 5;
+screw_nut_dia = 5.4;
+screw_nut_h = 6;
+screw_hole_dia = 4.0;
+screw_hole_h = 6;
+board_thickness = 1.6;
+height_above_board = 18;
+height_lid_inner = 1;
+lid_lip_depth = 1;
+lid_lip_width = 1;
+lid_lip_extra = 1;
+
+clamp_tube_dia = screw_base_dia;
+clamp_tube_h = 0; //height_above_board+height_lid_inner;
+clamp_tube_base_extra = 2;
+
+screw_head_hole_dia = 6.5;
+screw_head_hole_depth = 3;
+
+module rounded_rect(w, h, r) {
+ hull(){
+ translate([w/2-r, h/2-r]) circle(r);
+ translate([-(w/2-r), h/2-r]) circle(r);
+ translate([w/2-r, -(h/2-r)]) circle(r);
+ translate([-(w/2-r), -(h/2-r)]) circle(r);
+ }
+}
+
+module shell(thickness, inner_height, inner_extra, radius_horiz) {
+ d = thickness + inner_height;
+ rh=radius_horiz;
+ difference(){
+ r = corner_radius_wall;
+ w = pcb_width+pcb_extra+2*wall_thickness;
+ h = pcb_height+pcb_extra+2*wall_thickness;
+ hull() {
+ translate([0, 0, rh]) linear_extrude(height=d-rh) rounded_rect(w, h, r);
+ linear_extrude(height=eps) rounded_rect(w-2*rh, h-2*rh, r);
+ }
+
+ iw = pcb_width+inner_extra;
+ ih = pcb_height+inner_extra;
+ translate([-iw/2, -ih/2, bottom_thickness]) cube([iw, ih, h]);
+ }
+}
+
+module single_screw_base() {
+ translate([0, 0, bottom_thickness-eps]) linear_extrude(height=screw_base_h+eps) {
+ circle(d=screw_base_dia);
+ translate([-screw_base_dia/2, 0]) square([alot, alot]);
+ translate([0, -screw_base_dia/2]) square([alot, alot]);
+ }
+}
+
+w = pcb_width;
+h = pcb_height;
+e = pcb_extra;
+l = screw_offx_l;
+r = screw_offx_r;
+t = screw_offx_t;
+b = screw_offx_b;
+s1_pos = [w/2-l, h/2-b];
+s2_pos = [-w/2+r, -h/2+t];
+s3_pos = [w/2-l, -h/2+t];
+s4_pos = [-w/2+r, h/2-b];
+module screw_bases() {
+ intersection() {
+ union() {
+ translate(s1_pos) single_screw_base();
+ translate(s2_pos) mirror([1,1,0]) single_screw_base();
+ translate(s3_pos) mirror([0,1,0]) single_screw_base();
+ translate(s4_pos) mirror([1,0,0]) single_screw_base();
+ }
+ cube([w+e+eps, h+e+eps, alot], center=true);
+ }
+}
+
+module single_screw_hole() {
+ translate([0, 0, bottom_thickness+screw_base_h+eps])
+ mirror([0,0,1])
+ union() {
+ cylinder(h=screw_nut_h+eps, d=screw_nut_dia);
+ cylinder(h=screw_hole_h+eps, d=screw_hole_dia);
+ }
+}
+
+module screw_holes() {
+ translate(s1_pos) single_screw_hole();
+ translate(s2_pos) mirror([1,1,0]) single_screw_hole();
+ translate(s3_pos) mirror([0,1,0]) single_screw_hole();
+ translate(s4_pos) mirror([1,0,0]) single_screw_hole();
+}
+
+conn_1_y = 12.0;
+conn_1_l = 20.0;
+conn_1_h = 7;
+conn_2_y = conn_1_y+conn_1_l+6.0;
+conn_2_l = conn_1_l;
+conn_2_h = conn_1_h;
+conn_pwr_y = 12.5;
+conn_pwr_l = 10.0;
+conn_pwr_h = 10;
+conn_extra = 1;
+module conn_holes() {
+ e = conn_extra;
+ translate([0, -e/2, -e/2])
+ translate([0, 0, bottom_thickness+screw_base_h+board_thickness])
+ translate([-pcb_width/2, -pcb_height/2]) {
+ translate([-alot, conn_1_y]) cube([alot, conn_1_l+e, conn_1_h+e]);
+ translate([-alot, conn_2_y]) cube([alot, conn_2_l+e, conn_2_h+e]);
+ translate([0, conn_pwr_y]) cube([alot, conn_pwr_l+e, conn_pwr_h+e]);
+ }
+}
+
+module base() {
+ difference() {
+ union() {
+ screw_bases();
+ shell(bottom_thickness,
+ screw_base_h + board_thickness + height_above_board,
+ pcb_extra,
+ radius_horiz=0);
+ }
+ screw_holes();
+ conn_holes();
+ }
+}
+
+module single_clamp_stud_part(liph, clamp_tube_h, extra) {
+ translate([0, 0, lid_thickness-eps]) union() {
+ cylinder(h=clamp_tube_h, d=clamp_tube_dia+extra);
+ linear_extrude(height=liph+eps) {
+ translate([-clamp_tube_dia/2-extra/2, 0]) square([alot, alot]);
+ translate([0, -clamp_tube_dia/2-extra/2]) square([alot, alot]);
+ }
+ }
+}
+
+module single_clamp_stud(liph) {
+ e = clamp_tube_base_extra;
+ single_clamp_stud_part(liph, liph+eps, e);
+ single_clamp_stud_part(liph, clamp_tube_h, 0);
+}
+
+module lid_screw_hole() {
+ cylinder(h=alot, d=screw_hole_dia);
+ cylinder(h=screw_head_hole_depth+eps, d=screw_head_hole_dia);
+}
+
+module lid() {
+ e = lid_lip_extra;
+ iw = pcb_width+pcb_extra-e+eps;
+ ih = pcb_height+pcb_extra-e+eps;
+ liph = lid_lip_depth+height_lid_inner;
+ difference() {
+ union() {
+ shell(lid_thickness,
+ height_lid_inner,
+ inner_extra=-eps,
+ radius_horiz=corner_radius_lid);
+ difference() {
+ translate([-iw/2, -ih/2, lid_thickness-eps]) cube([iw, ih, liph+eps]);
+ minkowski() {
+ translate([-iw/2+e/2+liph, -ih/2+e/2+liph, lid_thickness-eps]) cube([iw-e-liph*2, ih-e-liph*2, eps]);
+ cylinder(d1=0, d2=2*liph+2*eps, h=2*liph+2*eps);
+ };
+ }
+ intersection() {
+ translate([-iw/2, -ih/2, lid_thickness-eps]) cube([iw, ih, alot]);
+ union() {
+ translate(s1_pos) single_clamp_stud(liph);
+ translate(s2_pos) mirror([1,1,0]) single_clamp_stud(liph);
+ translate(s3_pos) mirror([0,1,0]) single_clamp_stud(liph);
+ translate(s4_pos) mirror([1,0,0]) single_clamp_stud(liph);
+ }
+ }
+ }
+ translate([0, 0, -eps]) {
+ translate(s1_pos) lid_screw_hole();
+ translate(s2_pos) lid_screw_hole();
+ translate(s3_pos) lid_screw_hole();
+ translate(s4_pos) lid_screw_hole();
+ }
+ }
+}
+
+module enclosure() {
+
+
+ intersection() {
+ //translate([-pcb_width, -40, 0]) cube (35, 20, 20);
+ //translate([-pcb_width-15, 0, 0]) base();
+ };
+
+
+ intersection() {
+ //translate([-alot/2, -10, -alot/2]) cube ([alot, 20, alot]);
+ union () {
+ render() lid();
+
+ render() translate([0,0,eps]) mirror([0,0,1]) intersection() {
+ translate([-alot/2, -alot/2, 0]) cube([alot, alot, alot]);
+ translate([0,0,-0.2]) scale([0.3, 0.3, 0.04]) surface("depthmap_03.png", center=true);
+ };
+
+ };
+ };
+
+}
+
+enclosure($fn=25); \ No newline at end of file
diff --git a/enclosure/lyza/lyza_enclosure_v2.scad b/enclosure/lyza/lyza_enclosure_v2.scad
new file mode 100644
index 0000000..739c42e
--- /dev/null
+++ b/enclosure/lyza/lyza_enclosure_v2.scad
@@ -0,0 +1,233 @@
+
+/* A small, arbitrary unit to guard against rounding errors */
+eps = 0.1;
+alot = 1000;
+
+/* Base PCB size */
+pcb_width = 50;
+pcb_height = 70;
+/* Extra space around PCB */
+pcb_extra = 1;
+
+/* Offset of screw hole centers from left/right/top/bottom side of board */
+screw_offx_l = 5;
+screw_offx_r = 5;
+screw_offx_t = 5;
+screw_offx_b = 5;
+
+/* Thickness of bottom, walls, lid (middle sections) */
+bottom_thickness = 2;
+wall_thickness = 2;
+lid_thickness = 2;
+
+/* Outside corner radius */
+corner_radius_wall = 3;
+corner_radius_lid = 2;
+
+screw_base_dia = 8;
+screw_base_h = 5;
+screw_nut_dia = 5.4;
+screw_nut_h = 6;
+screw_hole_dia = 3.2;
+screw_hole_h = 6;
+board_thickness = 1.6;
+height_above_board = 18;
+height_lid_inner = 2;
+lid_lip_depth = 2;
+lid_lip_width = 2;
+lid_lip_extra = 1;
+
+clamp_tube_dia = screw_base_dia;
+clamp_tube_h = 0; //height_above_board+height_lid_inner;
+clamp_tube_base_extra = 2;
+
+screw_head_hole_dia = 6.5;
+screw_head_hole_depth = 3;
+
+module rounded_rect(w, h, r) {
+ hull(){
+ translate([w/2-r, h/2-r]) circle(r);
+ translate([-(w/2-r), h/2-r]) circle(r);
+ translate([w/2-r, -(h/2-r)]) circle(r);
+ translate([-(w/2-r), -(h/2-r)]) circle(r);
+ }
+}
+
+module shell(thickness, inner_height, inner_extra, radius_horiz) {
+ d = thickness + inner_height;
+ rh=radius_horiz;
+ difference(){
+ r = corner_radius_wall;
+ w = pcb_width+pcb_extra+2*wall_thickness;
+ h = pcb_height+pcb_extra+2*wall_thickness;
+ hull() {
+ translate([0, 0, rh]) linear_extrude(height=d-rh) rounded_rect(w, h, r);
+ linear_extrude(height=eps) rounded_rect(w-2*rh, h-2*rh, r);
+ }
+
+ iw = pcb_width+inner_extra;
+ ih = pcb_height+inner_extra;
+ translate([-iw/2, -ih/2, bottom_thickness]) cube([iw, ih, h]);
+ }
+}
+
+module single_screw_base() {
+ translate([0, 0, bottom_thickness-eps]) linear_extrude(height=screw_base_h+eps) {
+ circle(d=screw_base_dia);
+ translate([-screw_base_dia/2, 0]) square([alot, alot]);
+ translate([0, -screw_base_dia/2]) square([alot, alot]);
+ }
+}
+
+w = pcb_width;
+h = pcb_height;
+e = pcb_extra;
+l = screw_offx_l;
+r = screw_offx_r;
+t = screw_offx_t;
+b = screw_offx_b;
+s1_pos = [w/2-l, h/2-b];
+s2_pos = [-w/2+r, -h/2+t];
+s3_pos = [w/2-l, -h/2+t];
+s4_pos = [-w/2+r, h/2-b];
+module screw_bases() {
+ intersection() {
+ union() {
+ translate(s1_pos) single_screw_base();
+ translate(s2_pos) mirror([1,1,0]) single_screw_base();
+ translate(s3_pos) mirror([0,1,0]) single_screw_base();
+ translate(s4_pos) mirror([1,0,0]) single_screw_base();
+ }
+ cube([w+e+eps, h+e+eps, alot], center=true);
+ }
+}
+
+module single_screw_hole() {
+ translate([0, 0, bottom_thickness+screw_base_h+eps])
+ mirror([0,0,1])
+ union() {
+ cylinder(h=screw_nut_h+eps, d=screw_nut_dia);
+ cylinder(h=screw_hole_h+eps, d=screw_hole_dia);
+ }
+}
+
+module screw_holes() {
+ translate(s1_pos) single_screw_hole();
+ translate(s2_pos) mirror([1,1,0]) single_screw_hole();
+ translate(s3_pos) mirror([0,1,0]) single_screw_hole();
+ translate(s4_pos) mirror([1,0,0]) single_screw_hole();
+}
+
+conn_1_y = 12.0;
+conn_1_l = 20.0;
+conn_1_h = 7;
+conn_2_y = conn_1_y+conn_1_l+6.0;
+conn_2_l = conn_1_l;
+conn_2_h = conn_1_h;
+conn_pwr_y = 12.5;
+conn_pwr_l = 10.0;
+conn_pwr_h = 10;
+conn_extra = 1;
+module conn_holes() {
+ e = conn_extra;
+ translate([0, -e/2, -e/2])
+ translate([0, 0, bottom_thickness+screw_base_h+board_thickness])
+ translate([-pcb_width/2, -pcb_height/2]) {
+ translate([-alot, conn_1_y]) cube([alot, conn_1_l+e, conn_1_h+e]);
+ translate([-alot, conn_2_y]) cube([alot, conn_2_l+e, conn_2_h+e]);
+ translate([0, conn_pwr_y]) cube([alot, conn_pwr_l+e, conn_pwr_h+e]);
+ }
+}
+
+module base() {
+ difference() {
+ union() {
+ screw_bases();
+ shell(bottom_thickness,
+ screw_base_h + board_thickness + height_above_board,
+ pcb_extra,
+ radius_horiz=0);
+ }
+ screw_holes();
+ conn_holes();
+ }
+}
+
+module single_clamp_stud_part(liph, clamp_tube_h, extra) {
+ translate([0, 0, lid_thickness-eps]) union() {
+ cylinder(h=clamp_tube_h, d=clamp_tube_dia+extra);
+ linear_extrude(height=liph+eps) {
+ translate([-clamp_tube_dia/2-extra/2, 0]) square([alot, alot]);
+ translate([0, -clamp_tube_dia/2-extra/2]) square([alot, alot]);
+ }
+ }
+}
+
+module single_clamp_stud(liph) {
+ e = clamp_tube_base_extra;
+ single_clamp_stud_part(liph, liph+eps, e);
+ single_clamp_stud_part(liph, clamp_tube_h, 0);
+}
+
+module lid_screw_hole() {
+ cylinder(h=alot, d=screw_hole_dia);
+ cylinder(h=screw_head_hole_depth+eps, d=screw_head_hole_dia);
+}
+
+module lid() {
+ e = lid_lip_extra;
+ iw = pcb_width+pcb_extra-e+eps;
+ ih = pcb_height+pcb_extra-e+eps;
+ liph = lid_lip_depth+height_lid_inner;
+ difference() {
+ union() {
+ shell(lid_thickness,
+ height_lid_inner,
+ inner_extra=-eps,
+ radius_horiz=corner_radius_lid);
+ difference() {
+ translate([-iw/2, -ih/2, lid_thickness-eps]) cube([iw, ih, liph+eps]);
+ // FIXME translate([-iw/2+e/2, -ih/2+e/2, lid_thickness-eps]) cube([iw-e, ih-e, liph+2*eps]);
+ }
+ intersection() {
+ translate([-iw/2, -ih/2, lid_thickness-eps]) cube([iw, ih, alot]);
+ union() {
+ translate(s1_pos) single_clamp_stud(liph);
+ translate(s2_pos) mirror([1,1,0]) single_clamp_stud(liph);
+ translate(s3_pos) mirror([0,1,0]) single_clamp_stud(liph);
+ translate(s4_pos) mirror([1,0,0]) single_clamp_stud(liph);
+ }
+ }
+ }
+ translate([0, 0, -eps]) {
+ translate(s1_pos) lid_screw_hole();
+ translate(s2_pos) lid_screw_hole();
+ translate(s3_pos) lid_screw_hole();
+ translate(s4_pos) lid_screw_hole();
+ }
+ }
+}
+
+module enclosure() {
+
+
+ intersection() {
+ //translate([-pcb_width, -40, 0]) cube (35, 20, 20);
+ translate([-pcb_width-15, 0, 0]) base();
+ };
+
+/*
+ intersection() {
+ //translate([-alot/2, -10, -alot/2]) cube ([alot, 20, alot]);
+ union () {
+ render() lid();
+ render() translate([0,0,eps]) mirror([0,0,1]) intersection() {
+ translate([-alot/2, -alot/2, 0]) cube([alot, alot, alot]);
+ translate([0,0,-0.2]) scale([0.3, 0.3, 0.04]) surface("depthmap_03.png", center=true);
+ };
+ };
+ };
+*/
+}
+
+enclosure($fn=25); \ No newline at end of file
diff --git a/enclosure/lyza/standoffs.scad b/enclosure/lyza/standoffs.scad
new file mode 100644
index 0000000..61d3ef4
--- /dev/null
+++ b/enclosure/lyza/standoffs.scad
@@ -0,0 +1,17 @@
+inner_dia = 3.0;
+outer_dia = inner_dia + 2*1.5;
+height = 18.0;
+eps = 0.1;
+
+module standoff() {
+ difference() {
+ cylinder(h=height, d=outer_dia);
+ translate([0, 0, -eps]) cylinder(h=height+2*eps, d=inner_dia);
+ }
+}
+
+module standoff_group() {
+ standoff();
+}
+
+standoff_group($fn=25); \ No newline at end of file
diff --git a/enclosure/lyza/test.blend b/enclosure/lyza/test.blend
new file mode 100644
index 0000000..9c9e4d9
--- /dev/null
+++ b/enclosure/lyza/test.blend
Binary files differ
diff --git a/hardware/enclosure/olsndot_base.scad b/enclosure/rails/olsndot_base.scad
index 2cea8b2..2cea8b2 100644
--- a/hardware/enclosure/olsndot_base.scad
+++ b/enclosure/rails/olsndot_base.scad
diff --git a/hardware/enclosure/olsndot_clamp_base.scad b/enclosure/rails/olsndot_clamp_base.scad
index ad09989..ad09989 100644
--- a/hardware/enclosure/olsndot_clamp_base.scad
+++ b/enclosure/rails/olsndot_clamp_base.scad
diff --git a/hardware/enclosure/olsndot_clamp_stoppers.scad b/enclosure/rails/olsndot_clamp_stoppers.scad
index 95dc31e..95dc31e 100644
--- a/hardware/enclosure/olsndot_clamp_stoppers.scad
+++ b/enclosure/rails/olsndot_clamp_stoppers.scad
diff --git a/enclosure/rails/openstep_base.scad b/enclosure/rails/openstep_base.scad
new file mode 100644
index 0000000..aaa47db
--- /dev/null
+++ b/enclosure/rails/openstep_base.scad
@@ -0,0 +1,68 @@
+eps=0.01;
+
+nut_dia = 5.3;
+nut_depth=5.5;
+
+module nut_base(w=10, o) {
+ difference() {
+ cylinder(d=w, h=nut_depth+o);
+ translate([0, 0, o-eps]) cylinder(d=nut_dia, h=nut_depth+2*eps);
+ }
+}
+
+module raspi_holder(w, h, x=4) {
+ difference() {
+ union() {
+ cube([50+w, 50+w, h]);
+
+ translate([w/2, w/2, 0]) union() {
+ nut_base(o=h);
+ translate([50, 0, 0]) {
+ nut_base(o=h);
+ translate([0, 50, 0]) nut_base(o=h);
+ }
+ translate([0, 50, 0]) nut_base(o=h);
+ }
+ }
+ translate([w, w, -eps]) cube([50-w, 50-w, h+2*eps]);
+
+
+ translate([w/2, w/2, -eps]) {
+ cylinder(d=x, h=h+2*eps);
+ translate([50, 0, 0]) {
+ cylinder(d=x, h=h+2*eps);
+ translate([0, 50, 0]) cylinder(d=x, h=h+2*eps);
+ }
+ translate([0, 50, 0]) cylinder(d=x, h=h+2*eps);
+ }
+ }
+}
+
+module rev_nut_base(w=10, h=5, a=45, x=4, th=7, tw=10) {
+ rotate([0, 0, a])
+ translate([-w/2, -w, 0]) difference() {
+ union() {
+ cube([w, w, h]);
+ translate([w/2, w, 0]) cylinder(d=tw, h=th);
+ }
+ translate([w/2, w, -eps]) {
+ cylinder(d=nut_dia, h=nut_depth+2*eps);
+ cylinder(d=x, h=th+2*eps);
+ }
+ }
+}
+
+module raspi_adapter(w=10, h=5, s=30) {
+ translate([-(50+w)/2, -(50+w)/2, 0]) raspi_holder(w=w, h=h);
+ difference() {
+ union() {
+ translate([-s, -(50+w)/2-5, 0]) rev_nut_base(a=-30-180);
+ translate([ s, -(50+w)/2-5, 0]) rev_nut_base(a=-60-90);
+ translate([-s, (50+w)/2+5, 0]) rev_nut_base(a=-60+90);
+ translate([ s, (50+w)/2+5, 0]) rev_nut_base(a=-30);
+ }
+ cube([60, 60, 100], center=true);
+ }
+}
+
+raspi_adapter($fn=25);
diff --git a/enclosure/rails/raspi_adapter.scad b/enclosure/rails/raspi_adapter.scad
new file mode 100644
index 0000000..12d17a7
--- /dev/null
+++ b/enclosure/rails/raspi_adapter.scad
@@ -0,0 +1,68 @@
+eps=0.01;
+
+nut_dia = 5.3;
+nut_depth=5.5;
+
+module nut_base(w=10, o) {
+ difference() {
+ cylinder(d=w, h=nut_depth+o);
+ translate([0, 0, o-eps]) cylinder(d=nut_dia, h=nut_depth+2*eps);
+ }
+}
+
+module raspi_holder(w, h, x=4) {
+ difference() {
+ union() {
+ cube([58+w, 49+w, h]);
+
+ translate([w/2, w/2, 0]) union() {
+ nut_base(o=h);
+ translate([58, 0, 0]) {
+ nut_base(o=h);
+ translate([0, 49, 0]) nut_base(o=h);
+ }
+ translate([0, 49, 0]) nut_base(o=h);
+ }
+ }
+ translate([w, w, -eps]) cube([58-w, 49-w, h+2*eps]);
+
+
+ translate([w/2, w/2, -eps]) {
+ cylinder(d=x, h=h+2*eps);
+ translate([58, 0, 0]) {
+ cylinder(d=x, h=h+2*eps);
+ translate([0, 49, 0]) cylinder(d=x, h=h+2*eps);
+ }
+ translate([0, 49, 0]) cylinder(d=x, h=h+2*eps);
+ }
+ }
+}
+
+module rev_nut_base(w=10, h=5, a=45, x=4, th=7, tw=10) {
+ rotate([0, 0, a])
+ translate([-w/2, -w, 0]) difference() {
+ union() {
+ cube([w, w, h]);
+ translate([w/2, w, 0]) cylinder(d=tw, h=th);
+ }
+ translate([w/2, w, -eps]) {
+ cylinder(d=nut_dia, h=nut_depth+2*eps);
+ cylinder(d=x, h=th+2*eps);
+ }
+ }
+}
+
+module raspi_adapter(w=10, h=5, s=30) {
+ translate([-(58+w)/2, -(49+w)/2, 0]) raspi_holder(w=w, h=h);
+ difference() {
+ union() {
+ translate([-s, -(49+w)/2-5, 0]) rev_nut_base(a=-15-180);
+ translate([ s, -(49+w)/2-5, 0]) rev_nut_base(a=-75-90);
+ translate([-s, (49+w)/2+5, 0]) rev_nut_base(a=-75+90);
+ translate([ s, (49+w)/2+5, 0]) rev_nut_base(a=-15);
+ }
+ cube([64, 55, 100], center=true);
+ }
+}
+
+raspi_adapter($fn=25);
diff --git a/enclosure/rails/rs485_base.scad b/enclosure/rails/rs485_base.scad
new file mode 100644
index 0000000..2b5afe5
--- /dev/null
+++ b/enclosure/rails/rs485_base.scad
@@ -0,0 +1,43 @@
+eps=0.01;
+
+nut_dia = 5.3;
+nut_depth=5.5;
+
+bx=71.12;
+by=35.56;
+
+w=8;
+h=5;
+s=30;
+d=w;
+bh=8;
+sd=4;
+
+module qc(a, b, d, h) {
+ translate([-a, -b, 0]) cylinder(d=d, h=h);
+ translate([-a, b, 0]) cylinder(d=d, h=h);
+ translate([ a, -b, 0]) cylinder(d=d, h=h);
+ translate([ a, b, 0]) cylinder(d=d, h=h);
+}
+
+module foo() {
+ difference() {
+ union() {
+ translate([0, by/2, h/2]) cube([2*s+w, w, h], center=true);
+ translate([0, -by/2, h/2]) cube([2*s+w, w, h], center=true);
+ translate([-bx/2, 0, h/2]) cube([w, by, h], center=true);
+ translate([bx/2, 0, h/2]) cube([w, by, h], center=true);
+
+ qc(a=bx/2, b=by/2, d=d, h=bh);
+ qc(a=s, b=by/2, d=d, h=bh);
+ }
+ translate([0, 0, -eps]) {
+ qc(a=bx/2, b=by/2, d=sd, h=bh+2*eps);
+ qc(a=s, b=by/2, d=sd, h=bh+2*eps);
+ translate([0, 0, bh-nut_depth+eps]) qc(a=bx/2, b=by/2, d=nut_dia, h=nut_depth+eps);
+ qc(a=s, b=by/2, d=nut_dia, h=nut_depth+eps);
+ }
+ }
+}
+
+foo($fn=25); \ No newline at end of file