diff options
| -rw-r--r-- | .gitignore | 5 | ||||
| -rw-r--r-- | enclosure/lyza/depthmap_03.png | bin | 0 -> 47301 bytes | |||
| -rw-r--r-- | enclosure/lyza/depthmap_03_downscaled.png | bin | 0 -> 16735 bytes | |||
| -rw-r--r-- | enclosure/lyza/lyza_enclosure.scad | 238 | ||||
| -rw-r--r-- | enclosure/lyza/lyza_enclosure_v2.scad | 233 | ||||
| -rw-r--r-- | enclosure/lyza/standoffs.scad | 17 | ||||
| -rw-r--r-- | enclosure/lyza/test.blend | bin | 0 -> 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.scad | 68 | ||||
| -rw-r--r-- | enclosure/rails/raspi_adapter.scad | 68 | ||||
| -rw-r--r-- | enclosure/rails/rs485_base.scad | 43 |
13 files changed, 672 insertions, 0 deletions
@@ -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 Binary files differnew file mode 100644 index 0000000..57e7c51 --- /dev/null +++ b/enclosure/lyza/depthmap_03.png diff --git a/enclosure/lyza/depthmap_03_downscaled.png b/enclosure/lyza/depthmap_03_downscaled.png Binary files differnew file mode 100644 index 0000000..5d093c5 --- /dev/null +++ b/enclosure/lyza/depthmap_03_downscaled.png 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 Binary files differnew file mode 100644 index 0000000..9c9e4d9 --- /dev/null +++ b/enclosure/lyza/test.blend 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 |
