Added axial diodes, radial transistors, discs and modules.

Verboard and perboard components get solder menisci added automatically.
Radial leads now made by bezier curves rather than straights and arcs.

CHANGELOG.md

@@ -3,6 +3,95 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+### [v21.7.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.7.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.6.1...v21.7.0 "diff with v21.6.1")
+*   2023-07-22 [`523fc9e`](https://github.com/nophead/NopSCADlib/commit/523fc9e9a5c8a566bde2bfe8555d5f6dddd8f05b "show commit") [C.](# "Chris") Adafruit Feather 405 contributed by Chris Lott.
+
+#### [v21.6.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.6.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.6.0...v21.6.1 "diff with v21.6.0")
+*   2023-07-22 [`09d2ffb`](https://github.com/nophead/NopSCADlib/commit/09d2ffb126cf9d9ad2d68171583e11708227b704 "show commit") [C.](# "Chris") Typo in comment fixed.
+
+*   2023-07-22 [`3c37035`](https://github.com/nophead/NopSCADlib/commit/3c370359c838a48d85e25709bcbced61249c237d "show commit") [C.](# "Chris") Make front page `readme.md` labels lower case as GitHub seems have stopped working with uppercase.
+
+### [v21.6.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.6.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.5.1...v21.6.0 "diff with v21.5.1")
+*   2023-07-22 [`e3cde64`](https://github.com/nophead/NopSCADlib/commit/e3cde64b61b6abfc4a2883e8aa32b66346fde1c4 "show commit") [C.](# "Chris") `open_bearing_theta()` now derived from `open_bearing_width()`.
+
+*   2023-07-22 [`e61ce02`](https://github.com/nophead/NopSCADlib/commit/e61ce0241443fb2c1f0585953bd3f7383b217086 "show commit") [C.](# "Chris") Moved things around for better test images.
+
+*   2023-07-22 [`f8e1256`](https://github.com/nophead/NopSCADlib/commit/f8e125654ed60842d6ca7f33a91377d9cb5f1dc9 "show commit") [C.](# "Chris") Rendred the 3D difference.
+
+*   2023-07-22 [`62b1511`](https://github.com/nophead/NopSCADlib/commit/62b1511c82eacb5124302aed36a52fe0d8104385 "show commit") [C.](# "Chris") Removed 3D difference for speed.
+
+*   2023-06-27 [`84d98a1`](https://github.com/nophead/NopSCADlib/commit/84d98a1081d38c56d5b02645a99223b7616fcd70 "show commit") [J.R.](# "Jeroen Roos") Added SBR rails
+
+ * This change adds
+- SBR rails. For now only SBR16
+- The bearing block that goes with it (SBR16UU)
+- An 'open' linear bearing (LM16UUOP) that is used by the bearing block
+- A 28mm circlip that has a wider opening than then normal circlip.
+`(circlip_28iw)`
+
+#### [v21.5.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.5.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.5.0...v21.5.1 "diff with v21.5.0")
+*   2023-06-29 [`5899ffe`](https://github.com/nophead/NopSCADlib/commit/5899ffe88f7952108ce928a5a6188b4aad5044c5 "show commit") [C.](# "Chris") More typos in comments.
+
+*   2023-06-28 [`b051311`](https://github.com/nophead/NopSCADlib/commit/b05131145caf500cd9198b1e9b9fafc69506b50f "show commit") [C.](# "Chris") Comment typo.
+
+### [v21.5.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.5.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.4.1...v21.5.0 "diff with v21.4.1")
+*   2023-05-08 [`c3f3d62`](https://github.com/nophead/NopSCADlib/commit/c3f3d629b1ff79d40cc5ad3efcb33e940d6c8056 "show commit") [C.P.](# "Chris Palmer") Added PanelDue V3.
+
+*   2023-05-08 [`c7ba052`](https://github.com/nophead/NopSCADlib/commit/c7ba052ccf24d764aa6460d4559e92596c9e4cf4 "show commit") [C.P.](# "Chris Palmer") Added SMD QFP package.
+
+*   2023-05-08 [`c2c5f50`](https://github.com/nophead/NopSCADlib/commit/c2c5f509860b909ca8fca5ffcc65dbef2f7177c5 "show commit") [C.P.](# "Chris Palmer") Can now used `smd_res()` to draw chokes.
+
+*   2023-05-08 [`d0ae8ca`](https://github.com/nophead/NopSCADlib/commit/d0ae8ca216108f53c9b8e60896ea9b59b845b7e0 "show commit") [C.P.](# "Chris Palmer") Added the ability to have more than one grid on a PCB.
+
+*   2023-05-08 [`e81dcfd`](https://github.com/nophead/NopSCADlib/commit/e81dcfdbd8163ce8e2db450f3a20c296c21327a8 "show commit") [C.P.](# "Chris Palmer") Added right angle option to box headers.
+
+#### [v21.4.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.4.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.4.0...v21.4.1 "diff with v21.4.0")
+*   2023-05-08 [`06a286d`](https://github.com/nophead/NopSCADlib/commit/06a286dc989e9cc8cf7918049cd16a862b1a9b94 "show commit") [C.P.](# "Chris Palmer") Fixed missing BOM entry for JST connectors.
+Fixed default colour for JST connectors.
+Corrected BOM entry to show right angle options on Molex and pin headers.
+
+*   2023-05-08 [`f5496c3`](https://github.com/nophead/NopSCADlib/commit/f5496c373a1ab8ae47d07cc0a52d76e4299876cc "show commit") [C.P.](# "Chris Palmer") Fixed typo in `smd_diode(DO214AC)` package name.
+
+### [v21.4.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.4.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.3.1...v21.4.0 "diff with v21.3.1")
+*   2023-05-01 [`5e24a32`](https://github.com/nophead/NopSCADlib/commit/5e24a32a0b422e8032c3c5d377c1a756ff6f1022 "show commit") [C.P.](# "Chris Palmer") Added ESP32 camera.
+
+*   2023-05-01 [`fbd8d8c`](https://github.com/nophead/NopSCADlib/commit/fbd8d8c7cdff0bd7de0d42aa74bf0ab6551c205b "show commit") [C.P.](# "Chris Palmer") Added `smd_coax`
+
+#### [v21.3.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.3.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.3.0...v21.3.1 "diff with v21.3.0")
+*   2023-04-29 [`b1592f5`](https://github.com/nophead/NopSCADlib/commit/b1592f51d4b16a125d9b28edae56f758fcac2f02 "show commit") [C.P.](# "Chris Palmer") Fixed `bom.py,` `views.py` and `tests.py` so that vitamin descriptions can contain more than one colon.
+
+### [v21.3.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.3.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.2.0...v21.3.0 "diff with v21.2.0")
+*   2023-04-23 [`61fc194`](https://github.com/nophead/NopSCADlib/commit/61fc19499524a2b750d17a90627a697bf626bbf0 "show commit") [C.P.](# "Chris Palmer") Refactored for readability.
+
+*   2023-04-23 [`f8af615`](https://github.com/nophead/NopSCADlib/commit/f8af61568a8362cf470bc9eb8de8323c8fc001c7 "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
+
+*   2023-04-23 [`05d1684`](https://github.com/nophead/NopSCADlib/commit/05d16841c4d48c5c8f453e438af0ff6eb5bffe53 "show commit") [C.P.](# "Chris Palmer") Fixed thread pitch.
+
+*   2023-04-05 [`07e7eb7`](https://github.com/nophead/NopSCADlib/commit/07e7eb77f73fcaab4291388b49781b0e2de5a64c "show commit") [M.B.](# "Martin Budden") Added support for shoulder screws.
+
+### [v21.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.1.2...v21.2.0 "diff with v21.1.2")
+*   2023-04-22 [`5fc70e1`](https://github.com/nophead/NopSCADlib/commit/5fc70e19ac5d320290f4a2151665e83f0829d796 "show commit") [C.P.](# "Chris Palmer") Added SMD Tantalum caps and 0502 and 0402 resistor and capacitors.
+
+#### [v21.1.2](https://github.com/nophead/NopSCADlib/releases/tag/v21.1.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.1.1...v21.1.2 "diff with v21.1.1")
+*   2023-03-29 [`1c5d9a8`](https://github.com/nophead/NopSCADlib/commit/1c5d9a8ef5892caf9b2c4d0d84dc3d20eba699d3 "show commit") [C.P.](# "Chris Palmer") Removed utility functions used by `invert()` from documentation as not generally useful.
+
+#### [v21.1.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.1.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.1.0...v21.1.1 "diff with v21.1.0")
+*   2023-03-29 [`d3f0bfc`](https://github.com/nophead/NopSCADlib/commit/d3f0bfc17f82b42f2d81f2d72a54c3f0cc375604 "show commit") [C.P.](# "Chris Palmer") Fixed typo in resistor comment.
+
+### [v21.1.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.1.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.0.1...v21.1.0 "diff with v21.0.1")
+*   2023-03-11 [`18cd33c`](https://github.com/nophead/NopSCADlib/commit/18cd33c66388d4d4e7be664c0f883cff0854524b "show commit") [C.](# "Chris") Fixed typos, corrected vitamin call, added boilerplate, updated images and readme.
+
+*   2023-03-11 [`ebfb330`](https://github.com/nophead/NopSCADlib/commit/ebfb330ac69f4e90de84ecffea94ce067d041031 "show commit") [D.K.](# "Dirkjan Krijnders") Added comments and make holes a `linear_extrude` result
+
+*   2023-03-08 [`c5fab08`](https://github.com/nophead/NopSCADlib/commit/c5fab08a454383b295be2b151fd715ee79b85db3 "show commit") [D.K.](# "Dirkjan Krijnders") Added `photo_interrupter` to the test
+
+*   2023-03-08 [`fecc937`](https://github.com/nophead/NopSCADlib/commit/fecc93746ab80ad1fc74f0fe3465de92ffee7b36 "show commit") [D.K.](# "Dirkjan Krijnders") Added vitamins for photo interrupters
+
+#### [v21.0.1](https://github.com/nophead/NopSCADlib/releases/tag/v21.0.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.0.0...v21.0.1 "diff with v21.0.0")
+*   2023-03-11 [`07da7d8`](https://github.com/nophead/NopSCADlib/commit/07da7d8dc7d3fb769e57a6b9ca86465357007b6c "show commit") [C.](# "Chris") Removed `Python2.7` from `usage.md` as no longer works.
+
+*   2023-03-10 [`5a3bbf9`](https://github.com/nophead/NopSCADlib/commit/5a3bbf967dc967eca4726af517382e7eb875dde1 "show commit") [C.](# "Chris") Fixed broken cover image.
+
 ## [v21.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v20.24.0...v21.0.0 "diff with v20.24.0")
 *   2023-03-10 [`9d4d5ab`](https://github.com/nophead/NopSCADlib/commit/9d4d5aba17974e7b5911e723d48d7b9403a4bcb4 "show commit") [C.](# "Chris") `veroboard_assembly()` renamed `veroboard_fastened_assembly()`.
 `veroboard_assembly()` now doesn't include the fasteners.
@@ -26,8 +115,6 @@ This changelog is generated by `changelog.py` using manually added semantic vers
 
 *   2023-02-01 [`abf1f1a`](https://github.com/nophead/NopSCADlib/commit/abf1f1ab3f3eddc2f274df649e8481a4117901eb "show commit") [C.P.](# "Chris Palmer") PCB blocks can now have rounded edges for more realistic cans.
 
-*   2023-02-01 [`df06d1f`](https://github.com/nophead/NopSCADlib/commit/df06d1f57fff64cd6da20684f8371da204f69a82 "show commit") [C.P.](# "Chris Palmer") Updated changelog.
-
 ### [v20.23.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.23.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.22.0...v20.23.0 "diff with v20.22.0")
 *   2023-02-01 [`470d6d6`](https://github.com/nophead/NopSCADlib/commit/470d6d6216b1cef8ce6cafd4b14300edb62eac4a "show commit") [C.P.](# "Chris Palmer") Started radial components with crystals.
 
@@ -104,8 +191,6 @@ Client code now calls `dxf()` so that the generated files can be used to speed u
 
  * Change comment about nut sizes from radius to diameter.
 
-*   2022-09-29 [`d95e1e6`](https://github.com/nophead/NopSCADlib/commit/d95e1e64edba4ef51852a1e72d00497154c80c88 "show commit") [C.](# "Chris") Udated changelog.
-
 ### [v20.14.0](https://github.com/nophead/NopSCADlib/releases/tag/v20.14.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v20.13.0...v20.14.0 "diff with v20.13.0")
 *   2022-09-29 [`f1737d2`](https://github.com/nophead/NopSCADlib/commit/f1737d257b54957772ab6faea102f8ddb829119b "show commit") [C.](# "Chris") Updated images and readme.
 
@@ -505,7 +590,7 @@ Lead length removed from TO220 and TO247 vitamin string.
 Mainly text spacing changes.
 
 *   2021-09-27 [`9b5ec6a`](https://github.com/nophead/NopSCADlib/commit/9b5ec6af1aba313df6812a5313470ebb7e8fbdd7 "show commit") [C.P.](# "Chris Palmer") Fixed new `rounded_polygon` to work with last OpenSCAD release.
-Trainling commas in `let()`.
+Trailing commas in `let()`.
 
 *   2021-09-27 [`50958b0`](https://github.com/nophead/NopSCADlib/commit/50958b064d5a6d5ca3fd6525a8c3d3a2c5b20199 "show commit") [C.P.](# "Chris Palmer") Added `$show_plugs` to show crude reprentations of housings on `pin_headers` and Molex KK headers.
 
@@ -1167,7 +1252,7 @@ Updated pics and readme.
 *   2020-12-28 [`f6f4fcc`](https://github.com/nophead/NopSCADlib/commit/f6f4fcc7e84e40669446708e2352ea68c49b7961 "show commit") [M.B.](# "Martin Budden") Added `M5_cs_cap` screw
 
 #### [v10.21.1](https://github.com/nophead/NopSCADlib/releases/tag/v10.21.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v10.21.0...v10.21.1 "diff with v10.21.0")
-*   2020-12-28 [`ba586b3`](https://github.com/nophead/NopSCADlib/commit/ba586b368582db163af143ebb60afed270f77b1c "show commit") [C.P.](# "Chris Palmer") Example images update to match new contersink screws and teardrops.
+*   2020-12-28 [`ba586b3`](https://github.com/nophead/NopSCADlib/commit/ba586b368582db163af143ebb60afed270f77b1c "show commit") [C.P.](# "Chris Palmer") Example images update to match new countersink screws and teardrops.
 
 ### [v10.21.0](https://github.com/nophead/NopSCADlib/releases/tag/v10.21.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v10.20.1...v10.21.0 "diff with v10.20.1")
 *   2020-12-28 [`8d22940`](https://github.com/nophead/NopSCADlib/commit/8d22940506df525ac52ef6f8a00ea03661f3b682 "show commit") [C.P.](# "Chris Palmer") Project blurb can now be split with into sections with markdown horizontal rules
@@ -1445,7 +1530,7 @@ Reverted the jst header pin position change.
 
 *   2020-09-20 [`933fea6`](https://github.com/nophead/NopSCADlib/commit/933fea687c54d7d8ec48fe92aae12ffca0666789 "show commit") [C.P.](# "Chris Palmer") Removed debug code
 
-*   2020-09-19 [`a7803b1`](https://github.com/nophead/NopSCADlib/commit/a7803b1efbf92c5e27f3171d7e2a92634fa2d84f "show commit") [C.P.](# "Chris Palmer") Improved numerical accuarcy of catenary calculations.
+*   2020-09-19 [`a7803b1`](https://github.com/nophead/NopSCADlib/commit/a7803b1efbf92c5e27f3171d7e2a92634fa2d84f "show commit") [C.P.](# "Chris Palmer") Improved numerical accuracy of catenary calculations.
 
 ### [v9.7.0](https://github.com/nophead/NopSCADlib/releases/tag/v9.7.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v9.6.1...v9.7.0 "diff with v9.6.1")
 *   2020-09-19 [`1255e71`](https://github.com/nophead/NopSCADlib/commit/1255e712719ce66fd3b231e5c212ea69b0bb9f1c "show commit") [C.P.](# "Chris Palmer") Added catenary curves.

examples/EnviroPlus/bom/bom.csv

@@ -1,6 +1,6 @@
 'Micro SD card',  1
 'Fan 17mm x 8mm',  1
-'Heatfit insert M2',  4
+'Heatfit insert M2 x 4mm',  4
 'Nut M2.5 x 2.2mm nyloc',  4
 'Enviro+',  1
 'Raspberry Pi Zero',  1
@@ -13,7 +13,7 @@
 'SMD capacitor 1206 10uF',  1
 'SMD resistor 0805 3K3 0.125W',  1
 'SOT223 package FZT851',  1
-'Veroboard 6 holes x 6strips',  1
+'Veroboard 6 holes x 6 strips',  1
 'Washer  M2 x 5mm x 0.3mm',  4
 'Washer  M2.5 x 5.9mm x 0.5mm',  4
 'Washer  M3 x 7mm x 0.5mm',  3

examples/EnviroPlus/bom/bom.json

@@ -55,7 +55,7 @@
         "count": 1,
         "assemblies": {},
         "vitamins": {
-            "veroboard(fan_vb): Veroboard 6 holes x 6strips": {
+            "veroboard(fan_vb): Veroboard 6 holes x 6 strips": {
                 "count": 1
             },
             "wire_link(0.8, 10.16, tail = 2.5): Wire link 0.8mm x 0.4\"": {
@@ -102,7 +102,7 @@
         "count": 1,
         "assemblies": {},
         "vitamins": {
-            "insert(F1BM2): Heatfit insert M2": {
+            "insert(F1BM2): Heatfit insert M2 x 4mm": {
                 "count": 4
             },
             "washer(M3_washer): Washer  M3 x 7mm x 0.5mm": {

examples/EnviroPlus/bom/bom.txt

@@ -15,7 +15,7 @@ Vitamins:
  i  e  k  e  o  e  r  n
  1|  |  |  |  |  |  |  |  1 Micro SD card
   |  | 1|  |  |  |  |  |  1 Fan 17mm x 8mm
-  |  |  | 4|  |  |  |  |  4 Heatfit insert M2
+  |  |  | 4|  |  |  |  |  4 Heatfit insert M2 x 4mm
   |  |  |  |  | 4|  |  |  4 Nut M2.5 x 2.2mm nyloc
   |  |  |  | 1|  |  |  |  1 Enviro+
  1|  |  |  |  |  |  |  |  1 Raspberry Pi Zero
@@ -28,7 +28,7 @@ Vitamins:
   |  |  |  |  |  | 1|  |  1 SMD capacitor 1206 10uF
   |  |  |  |  |  | 1|  |  1 SMD resistor 0805 3K3 0.125W
   |  |  |  |  |  | 1|  |  1 SOT223 package FZT851
-  |  |  |  |  |  | 1|  |  1 Veroboard 6 holes x 6strips
+  |  |  |  |  |  | 1|  |  1 Veroboard 6 holes x 6 strips
   |  |  |  |  |  |  | 4|  4 Washer  M2 x 5mm x 0.3mm
   |  |  |  |  | 4|  |  |  4 Washer  M2.5 x 5.9mm x 0.5mm
   |  |  | 3|  |  |  |  |  3 Washer  M3 x 7mm x 0.5mm

examples/EnviroPlus/bom/case_assembly.txt

@@ -1,6 +1,6 @@
 case_assembly:
 Vitamins:
-  4 Heatfit insert M2
+  4 Heatfit insert M2 x 4mm
   3 Screw M3 pan x  6mm
   3 Washer  M3 x 7mm x 0.5mm
 

examples/EnviroPlus/bom/fan_controller_assembly.txt

@@ -3,6 +3,6 @@ Vitamins:
   1 SMD capacitor 1206 10uF
   1 SMD resistor 0805 3K3 0.125W
   1 SOT223 package FZT851
-  1 Veroboard 6 holes x 6strips
+  1 Veroboard 6 holes x 6 strips
   3 Wire link 0.8mm x 6.5mm
   1 Wire link 0.8mm x 0.4"

examples/EnviroPlus/readme.md

@@ -29,7 +29,7 @@ Environmental monitor using Enviro+ sensor board and a Raspberry Pi Zero.
 |  |  |  |  |  |  |  |  | | **Vitamins** |
 |   .  |   .  |   .  |   1  |   .  |   .  |   .  |   .  |    1  |    Enviro+ |
 |   1  |   .  |   .  |   .  |   .  |   .  |   .  |   .  |    1  |    Fan 17mm x 8mm |
-|   .  |   .  |   .  |   .  |   4  |   .  |   .  |   .  |    4  |    Heatfit insert M2 |
+|   .  |   .  |   .  |   .  |   4  |   .  |   .  |   .  |    4  |    Heatfit insert M2 x 4mm |
 |   .  |   1  |   .  |   .  |   .  |   .  |   .  |   .  |    1  |    Micro SD card |
 |   .  |   .  |   .  |   .  |   .  |   4  |   .  |   .  |    4  |    Nut M2.5 x 2.2mm nyloc |
 |   1  |   .  |   .  |   .  |   .  |   .  |   .  |   .  |    1  |    PMS5003 particle detector |
@@ -42,7 +42,7 @@ Environmental monitor using Enviro+ sensor board and a Raspberry Pi Zero.
 |   .  |   .  |   .  |   .  |   .  |   .  |   2  |   .  |    2  |    Screw M2.5 pan x  6.4mm |
 |   .  |   .  |   .  |   .  |   .  |   4  |   .  |   .  |    4  |    Screw M2.5 pan x  8mm |
 |   .  |   .  |   .  |   .  |   3  |   .  |   .  |   .  |    3  |    Screw M3 pan x  6mm |
-|   .  |   .  |   1  |   .  |   .  |   .  |   .  |   .  |    1  |    Veroboard 6 holes x 6strips |
+|   .  |   .  |   1  |   .  |   .  |   .  |   .  |   .  |    1  |    Veroboard 6 holes x 6 strips |
 |   .  |   .  |   .  |   .  |   .  |   .  |   .  |   4  |    4  |    Washer  M2 x 5mm x 0.3mm |
 |   .  |   .  |   .  |   .  |   .  |   4  |   .  |   .  |    4  |    Washer  M2.5 x 5.9mm x 0.5mm |
 |   .  |   .  |   .  |   .  |   3  |   .  |   .  |   .  |    3  |    Washer  M3 x 7mm x 0.5mm |
@@ -121,7 +121,7 @@ Environmental monitor using Enviro+ sensor board and a Raspberry Pi Zero.
 |1| SMD capacitor 1206 10uF|
 |1| SMD resistor 0805 3K3 0.125W|
 |1| SOT223 package FZT851|
-|1| Veroboard 6 holes x 6strips|
+|1| Veroboard 6 holes x 6 strips|
 |1| Wire link 0.8mm x 0.4"|
 |3| Wire link 0.8mm x 6.5mm|
 
@@ -183,7 +183,7 @@ It converts the PWM signal on GPI4 to a stead DC voltage so that the fan doesn't
 ### Vitamins
 |Qty|Description|
 |---:|:----------|
-|4| Heatfit insert M2|
+|4| Heatfit insert M2 x 4mm|
 |3| Screw M3 pan x  6mm|
 |3| Washer  M3 x 7mm x 0.5mm|
 

examples/EnviroPlus/scad/fan_controller.scad

@@ -7,7 +7,6 @@
 //
 // Top level model
 //
-
 include <NopSCADlib/core.scad>
 use <NopSCADlib/vitamins/veroboard.scad>
 include <NopSCADlib/vitamins/smds.scad>
@@ -19,10 +18,9 @@ fan_vb = vero("fan_vb", "fan_controller", 6, 6, breaks = [[2, 1], [2 + eps, 5]],
         [0, 1,     0, "link", 0, 4, undef, 2.5],
         [0, 0,     0, "link", 0, 4, undef, 2.5],
         [2, 5,     0, "-smd_res", RES0805, "3K3"],
-        [4, 4.7,  90, "-smd_cap", CAP1206, 1.2, "10uF"],
+        [4, 4.5,  90, "-smd_cap", CAP1206, 1.2, "10uF"],
         [2, 2.5, 180, "-smd_sot", SOT223, "FZT851"],
-    ],
-    joints = [[5, 1], [5, 5], [0, [0, 1, 5]]]
+    ]
  );
 
 //! The fan controller is a single transistor wired as a Miller integrator that effectively multiplies the capacitor value by the gain of the transistor.
@@ -40,6 +38,6 @@ fan_vb = vero("fan_vb", "fan_controller", 6, 6, breaks = [[2, 1], [2 + eps, 5]],
 //!
 //! ![SMT](docs/smt.jpg)
 //!
-module fan_controller_assembly() rotate(90) vflip(!exploded()) veroboard_assembly(fan_vb, -vero_thickness(fan_vb) - 1.4, 0);
+module fan_controller_assembly() rotate(90) vflip() veroboard_fastened_assembly(fan_vb, -vero_thickness(fan_vb) - 1.4, 0);
 
 fan_controller_assembly();

examples/EnviroPlus/scad/main.scad

@@ -25,6 +25,7 @@ include <NopSCADlib/vitamins/fans.scad>
 use <NopSCADlib/vitamins/insert.scad>
 use <NopSCADlib/vitamins/veroboard.scad>
 use <NopSCADlib/utils/round.scad>
+use <NopSCADlib/utils/pcb.scad>
 use <NopSCADlib/printed/foot.scad>
 use <NopSCADlib/printed/printed_box.scad>
 use <fan_controller.scad>
@@ -402,7 +403,7 @@ assembly("enviro") {
     if(!exploded())
         for(x = [8, 7, 3])
             pcb_grid(pcb, x, 0, 0.05)
-                solder_meniscus(pcb, 0.39, 1);
+                solder_meniscus(0.39, 1);
 }
 
 //! * Screw the Enviro+ PCB to the front of the case using M2.5 x 8mm pan screws with washer and nuts on the inside.

examples/MainsBreakOutBox/bom/base_assembly.txt

@@ -1,6 +1,6 @@
 base_assembly:
 Vitamins:
-  2 Heatfit insert M3
+  2 Heatfit insert M3 x 5.8mm
 
 Printed:
   1 socket_box.stl

examples/MainsBreakOutBox/bom/bom.csv

@@ -3,7 +3,7 @@
 'Wire brown 30/0.25mm strands, length 150mm - not shown',  2
 'Wire green & yellow 30/0.25mm strands, length 150mm - not shown',  2
 'IEC inlet for ATX',  1
-'Heatfit insert M3',  2
+'Heatfit insert M3 x 5.8mm',  2
 '4mm shielded jack socket blue',  2
 '4mm shielded jack socket brown',  1
 '4mm shielded jack socket green',  2

examples/MainsBreakOutBox/bom/bom.json

@@ -7,7 +7,7 @@
         "count": 1,
         "assemblies": {},
         "vitamins": {
-            "insert(F1BM3): Heatfit insert M3": {
+            "insert(F1BM3): Heatfit insert M3 x 5.8mm": {
                 "count": 2
             }
         },

examples/MainsBreakOutBox/bom/bom.txt

@@ -12,7 +12,7 @@ Vitamins:
   |  |  | 2|  2 Wire brown 30/0.25mm strands, length 150mm - not shown
   |  | 1| 1|  2 Wire green & yellow 30/0.25mm strands, length 150mm - not shown
   |  |  | 1|  1 IEC inlet for ATX
- 2|  |  |  |  2 Heatfit insert M3
+ 2|  |  |  |  2 Heatfit insert M3 x 5.8mm
   |  | 2|  |  2 4mm shielded jack socket blue
   |  | 1|  |  1 4mm shielded jack socket brown
   |  | 2|  |  2 4mm shielded jack socket green

examples/MainsBreakOutBox/readme.md

@@ -38,7 +38,7 @@ Earth leakage can be measured Canadian CSA style by disconnected the neutral lin
 |   .  |   .  |   .  |   1  |    1  |    4mm shielded jack socket brown |
 |   .  |   .  |   .  |   2  |    2  |    4mm shielded jack socket green |
 |   .  |   .  |   .  |   3  |    3  |    Ferrule for 1.5mm^2 wire - not shown |
-|   2  |   .  |   .  |   .  |    2  |    Heatfit insert M3 |
+|   2  |   .  |   .  |   .  |    2  |    Heatfit insert M3 x 5.8mm |
 |   .  |   .  |   3  |   5  |    8  |    Heatshrink sleeving ID 3.2mm x 15mm - not shown |
 |   .  |   .  |   1  |   .  |    1  |    IEC inlet for ATX |
 |   .  |   .  |   .  |   1  |    1  |    Mains socket 13A |
@@ -65,7 +65,7 @@ Earth leakage can be measured Canadian CSA style by disconnected the neutral lin
 ### Vitamins
 |Qty|Description|
 |---:|:----------|
-|2| Heatfit insert M3|
+|2| Heatfit insert M3 x 5.8mm|
 
 
 ### 3D Printed parts

lib.scad

@@ -49,6 +49,7 @@ include <vitamins/magnets.scad>
 include <vitamins/mains_sockets.scad>
 include <vitamins/modules.scad>
 include <vitamins/panel_meters.scad>
+include <vitamins/photo_interrupters.scad>
 include <vitamins/pillars.scad>
 include <vitamins/pillow_blocks.scad>
 include <vitamins/pin_headers.scad>
@@ -98,5 +99,7 @@ use <utils/rounded_triangle.scad>
 use <utils/layout.scad>
 use <utils/round.scad>
 use <utils/offset.scad>
+use <utils/pcb_utils.scad>
 use <utils/sector.scad>
 use <utils/thread.scad>
+use <vitamins/photo_interrupter.scad>

libtest.scad

@@ -85,6 +85,7 @@ use <tests/o_ring.scad>
 use <tests/opengrab.scad>
 use <tests/panel_meters.scad>
 use <tests/PCBs.scad>
+use <tests/photo_interrupters.scad>
 use <tests/pillars.scad>
 use <tests/pillow_blocks.scad>
 use <tests/potentiometers.scad>
@@ -95,6 +96,7 @@ use <tests/rails.scad>
 use <tests/ring_terminals.scad>
 use <tests/rockers.scad>
 use <tests/rod.scad>
+use <tests/SBR_rails.scad>
 use <tests/screws.scad>
 use <tests/sealing_strip.scad>
 use <tests/servo_motors.scad>
@@ -143,7 +145,7 @@ x1 = x0 + 110;
 x2 = x1 + 90;
 x3 = x2 + 130;
 x4 = x3 + 200;
-x5 = 850;
+x5 = 900;
 x6 = x5 + 150;
 
 cable_grommets_y = 0;
@@ -224,7 +226,7 @@ inserts_y = 0;
 nuts_y = inserts_y + 20;
 washers_y = nuts_y + 120;
 screws_y = washers_y + 120;
-circlips_y = screws_y + 160;
+circlips_y = screws_y + 180;
 springs_y = circlips_y + 20;
 o_rings_y = springs_y;
 sealing_strip_y = springs_y + 20;
@@ -232,8 +234,8 @@ tubings_y = sealing_strip_y + 20;
 pillars_y = tubings_y + 20;
 ball_bearings_y = pillars_y + 40;
 pulleys_y = ball_bearings_y + 40;
-leadnuts_y = pulleys_y + 60;
-linear_bearings_y = leadnuts_y + 50;
+leadnuts_y = pulleys_y + 35;
+linear_bearings_y = leadnuts_y + 65;
 steppers_y = linear_bearings_y + 110;
 sheets_y = steppers_y + 55;
 pcbs_y = sheets_y + 60;
@@ -288,7 +290,9 @@ translate([x0 + 120, leadnuts_y])
     leadnuthousings();
 
 translate([x0, linear_bearings_y]) {
-    linear_bearings();
+    translate([0, -30])
+        linear_bearings();
+
     rods();
 }
 
@@ -396,26 +400,26 @@ blowers_y = ssrs_y + 60;
 hot_ends_y = blowers_y + 100;
 batteries_y = hot_ends_y + 55;
 panel_meters_y = batteries_y + 70;
-extrusions_y = panel_meters_y + 80;
+extrusions_y = panel_meters_y + 100;
 
 translate([x3, veroboard_y])
     veroboard_test();
 
-translate([x3 + 60, veroboard_y + 20])
+translate([x3 + 50, veroboard_y + 20])
     geared_steppers();
 
 translate([x3 + 160, ssrs_y])
     pcb_mounts();
 
-translate([x3 + 170, veroboard_y + 16])
+translate([x3 + 145, veroboard_y + 16])
     cameras();
 
+translate([x3 + 145, d_connectors_y - 10])
+    camera_housings();
+
 translate([x3, d_connectors_y])
     d_connectors();
 
-translate([x3 + 170, d_connectors_y - 10])
-    camera_housings();
-
 translate([x3, iecs_y])
     iecs();
 
@@ -428,6 +432,9 @@ translate([x3 + 60, modules_y])
 translate([x3 + 90, modules_y])
     modules();
 
+translate([x3 + 150, modules_y])
+    photo_interrupters();
+
 translate([x3, ssrs_y]) {
     ssrs();
 
@@ -461,11 +468,11 @@ rails_y = belts_y + 200;
 extrusion_brackets_y = rails_y + 250;
 sk_brackets_y = extrusion_brackets_y + 80;
 kp_pillow_blocks_y = sk_brackets_y + 60;
-scs_bearing_blocks_y = kp_pillow_blocks_y + 60;
+bearing_blocks_y = kp_pillow_blocks_y + 60;
 box_sections_y = batteries_y;
-BLDC_y = scs_bearing_blocks_y + 120;
-pot_y = BLDC_y + 40;
-cable_strip_y = pot_y + 50;
+BLDC_y = bearing_blocks_y + 180;
+pot_y = bearing_blocks_y;
+cable_strip_y = sheets_y + 30;
 
 translate([0, transformers_y])
     servo_motors();
@@ -480,9 +487,13 @@ translate([x4 + 200, belts_y + 58]) {
 translate([x4 + 175, belts_y, -20])
     drag_chains();
 
-translate([x4, rails_y + 130])
+translate([x4, rails_y + 130]) {
     rails();
 
+    translate([305, 0])
+        sbr_rails();
+}
+
 translate([x4, cable_strip_y])
     cable_strips();
 
@@ -498,8 +509,8 @@ translate([x4, extrusion_brackets_y])
 translate([x1, swiss_clips_y + 50])
     shaft_couplings();
 
-translate([x4, scs_bearing_blocks_y])
-    scs_bearing_blocks();
+translate([x4, bearing_blocks_y])
+    bearing_blocks();
 
 translate([x4, BLDC_y])
     bldc_motors();

scripts/bom.py

@@ -140,7 +140,7 @@ class BOM:
         for part in sorted(self.vitamins):
             i += 1
             if ': ' in part:
-                part_no, description = part.split(': ')
+                part_no, description = part.split(': ', 1)
             else:
                 part_no, description = "", part
             qty = self.vitamins[part].count
@@ -183,7 +183,7 @@ class BOM:
 
         for part in sorted(self.vitamins):
             if ': ' in part:
-                part_no, description = part.split(': ')
+                part_no, description = part.split(': ', 1)
             else:
                 part_no, description = "", part
             if breakdown:

scripts/changelog.py

@@ -80,9 +80,16 @@ def codify(word, url):
             return  '`' + word + '`'
     return word
 
+typos = [ # Typos that are ambiguous to codespell
+    ('cnc_bit+_r', 'cnc_bit_r'),
+    ('Udated',     'Updated'),
+    ('decription', 'description'),
+    ('Trainling',  'Trailing'),
+]
 
 def fixup_comment(comment, url):
-    comment = comment.replace('cnc_bit+_r', 'cnc_bit_r')
+    for typo in typos:
+        comment = comment.replace(typo[0], typo[1])
     """ markup code words and fix new paragraphs """
     result = ''
     word = ''
@@ -162,6 +169,6 @@ if __name__ == '__main__':
 
             # Print commits excluding merges
 
-            if not c.comment.startswith('Merge branch') and not c.comment.startswith('Merge pull') and not re.match(r'U..ated ch.*log.*', c.comment):
+            if not c.comment.startswith('Merge branch') and not c.comment.startswith('Merge pull') and not re.match(r'U.?.ated ch.*log.*', c.comment):
                 print('* %s [`%s`](%s "show commit") %s %s\n' % (c.date, c.hash[:7], url + '/commit/' + c.hash, initials(c.author), fixup_comment(c.comment, url)), file = file)
     do_cmd(('codespell -w -L od ' + filename).split())

scripts/tests.py

@@ -201,7 +201,7 @@ def tests(tests):
             body = bodies[type]
 
             index[type] += [cap_name]
-            body += ['<a name="%s"></a>' % cap_name]
+            body += ['<a name="%s"></a>' % cap_name.lower()]
             body += ["## " + cap_name]
 
             doc = None
@@ -259,11 +259,11 @@ def tests(tests):
                     things = BOM[thing]
                     if things:
                         body += ['### %s\n| Qty | %s |\n| ---:|:--- |%s' % (thing.title(), heading, ':---|' if '|' in heading else '')]
-                        for item in sorted(things, key = lambda s: s.split(":")[-1]):
+                        for item in sorted(things, key = lambda s: s.split(":",1)[-1]):
                             name = item
                             desc = ''
                             if thing == "vitamins":
-                                vit = item.split(':')
+                                vit = item.split(':', 1)
                                 name = '`' + vit[0] + '`' if vit[0] else ''
                                 while '[[' in name and ']]' in name:
                                     i = name.find('[[')
@@ -301,7 +301,7 @@ def tests(tests):
             for type in types:
                 if i < len(index[type]):
                     name = sorted(index[type])[i]
-                    print('<td> <a href = "#' + name + '">' + name + '</a> </td>', file = doc_file, end = '')
+                    print('<td> <a href = "#' + name.lower() + '">' + name + '</a> </td>', file = doc_file, end = '')
                 else:
                     print('<td></td>', file = doc_file, end = '')
             print('</tr>', file = doc_file)

scripts/views.py

@@ -303,7 +303,7 @@ def views(target, do_assemblies = None):
                 grand_total2 = 0
                 heading = headings[t][0].upper() + headings[t][1:]
                 print(('|  ' * len(global_bom) + '| | **%s** |') % heading, file = doc_file)
-                for thing in sorted(things[t], key = lambda s: s.split(":")[-1]):
+                for thing in sorted(things[t], key = lambda s: s.split(":",1)[-1]):
                     for ass in global_bom:
                         count = ass[t][thing]["count"] if thing in ass[t] else 0
                         print('| %s ' % pad(count if count else '.', 2, 1), file = doc_file, end = '')
@@ -313,7 +313,7 @@ def views(target, do_assemblies = None):
                         else:
                             totals[name] = count
                         grand_total2 += count
-                    print('|  %s | %s |' % (pad(things[t][thing], 2, 1), pad(thing.split(":")[-1], 2)), file = doc_file)
+                    print('|  %s | %s |' % (pad(things[t][thing], 2, 1), pad(thing.split(":",1)[-1], 2)), file = doc_file)
 
                 grand_total = 0
                 for ass in global_bom:
@@ -344,8 +344,8 @@ def views(target, do_assemblies = None):
                 print("### Vitamins",         file = doc_file)
                 print("|Qty|Description|",    file = doc_file)
                 print("|---:|:----------|",    file = doc_file)
-                for v in sorted(vitamins, key = lambda s: s.split(":")[-1]):
-                    print("|%d|%s|" % (vitamins[v]["count"], v.split(":")[1]),     file = doc_file)
+                for v in sorted(vitamins, key = lambda s: s.split(":",1)[-1]):
+                    print("|%d|%s|" % (vitamins[v]["count"], v.split(":",1)[1]),     file = doc_file)
                 print("\n", file = doc_file)
 
             printed = ass["printed"]

tests/PCB.scad

@@ -62,30 +62,44 @@ test_pcb = ["test_pcb", "Test PCB",
     [
         [ 20, -5,  180, "trimpot10"],
         [ 20, -15,  90, "trimpot10", true],
-        [  7,  2,   90, "smd_led", LED1206, "blue"],
-        [ 10,  2,   90, "smd_led", LED0805, "red"],
+        [ 19,  2,   90, "smd_led", LED1206, "blue"],
+        [ 16,  2,   90, "smd_led", LED0805, "red"],
         [ 13,  2,   90, "smd_led", LED0603, "orange"],
-        [ 16,  2,   90, "smd_res", RES1206, "1K"],
-        [ 19,  2,   90, "smd_res", RES0805, "1K"],
-        [ 22,  2,   90, "smd_res", RES0603, "1K"],
-        [ 25,  2,   90, "smd_cap", CAP1206, 1.5, "1uF"],
-        [ 28,  2,   90, "smd_cap", CAP0805, 1.0, "100nF"],
-        [ 31,  2,   90, "smd_cap", CAP0603, 0.7, "10nF"],
-        [ 34,  3,   90, "smd_diode",DO241AC, "SS34"],
-        [ 21,  6,  -90, "smd_pot", TC33X1, "10K"],
-        [ 16,  6,  -90, "smd_sot", SOT23, "2N7000"],
-        [ 28,  8,  -90, "smd_sot", SOT223, "LM117"],
+        [ 10,  2,  -90, "smd_res", L2012C, "1u"],
+        [ 19,  6,  -90, "smd_res", RES1206, "1M"],
+        [ 16,  6,  -90, "smd_res", RES0805, "1K"],
+        [ 13,  6,  -90, "smd_res", RES0603, "100"],
+        [ 10,  6,  -90, "smd_res", RES0502, "10"],
+        [  7,  6,  -90, "smd_res", RES0402, "1"],
+        [ 19, 10,   90, "smd_cap", CAP1206, 1.5, "1uF"],
+        [ 16, 10,   90, "smd_cap", CAP0805, 1.0, "100nF"],
+        [ 13, 10,   90, "smd_cap", CAP0603, 0.7, "10nF"],
+        [ 10, 10,   90, "smd_cap", CAP0502, 0.6, "10nF"],
+        [  7, 10,   90, "smd_cap", CAP0402, 0.5, "10nF"],
+        [ 19, 16,  -90, "smd_tant", TANT_C, "107C"],
+        [ 13, 16,  -90, "smd_tant", TANT_B, "106A"],
+        [  7, 16,  -90, "smd_tant", TANT_A, "105e"],
+        [ 32,  3,  -90, "smd_diode",DO214AC, "SS34"],
+        [ 26,  2,  -90, "smd_pot", TC33X1, "10K"],
+        [ 26,  6,  -90, "smd_coax",U_FL_R_SMT_1],
+
+        [ 26, 10,  -90, "smd_sot", SOT23, "2N7000"],
+        [ 28, 16,  -90, "smd_sot", SOT223, "LM117"],
+
+        [ 30, 30,  -90, "smd_qfp", QFP50P1200X1200X160_64N, "ATSAM4S4BA"],
 
         [ 45,  35,   0, "2p54header", 4, 1],
         [ 60,  35,   0, "2p54header", 5, 1, false, "blue" ],
+        [ 60,  40, 180, "2p54header", 5, 1, false, undef, true],
         [ 80,  33,   0, "2p54boxhdr", 4, 2],
+        [ 80,  40,   0, "2p54boxhdr", 4, 2, false, true, true],
         [ 45,  30,   0, "2p54socket", 4, 1, false, 0, false, "red" ],
         [ 60,  30,   0, "2p54socket", 6, 1],
 
-        [ 59,  50, 180, "led", LED3mm, "red"],
-        [ 66,  50, 180, "led", LED5mm, "orange"],
-        [ 77,  50, 180, "led", LED8mm, "blue"],
-        [ 90,  50, 180, "led", LED10mm, "yellow"],
+        [ 59,  60, 180, "led", LED3mm, "red"],
+        [ 66,  60, 180, "led", LED5mm, "orange"],
+        [ 77,  60, 180, "led", LED8mm, "blue"],
+        [ 90,  60, 180, "led", LED10mm, "yellow"],
         [ 10,  35, 180, "rj45"],
         [  7,  50, 180, "usb_vAx1"],
         [  8,  65, 180, "usb_A"],
@@ -105,23 +119,30 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 25, 200,   0, "buzzer", 4.5, 8.5],
         [ 25, 218,   0, "buzzer"],
 
-        [ 45,   5,   0, "link", inch(0.4), 0.75, undef, undef, [1.5, "red"]], // Sleeved link
-        [ 45,   9,   0, "link", inch(0.4)], // Flat link
-        [ 45,  12,   0, "ax_res", res1_8, 1000],
-        [ 45,  17,   0, "ax_res", res1_4, 10000],
+        [ 45,   1,   0, "link", inch(0.4), 0.75, undef, undef, [1.5, "red"]], // Sleeved link
+        [ 45,   3,   0, "link", inch(0.4)], // Flat link
+        [ 45,   6,   0, "ax_diode", DO_41, "1N4007"],
+        [ 45,  10,   0, "ax_diode", DO_35, "1N4148"],
+        [ 45,  14,   0, "ax_res", res1_8, 1000],
+        [ 45,  18,   0, "ax_res", res1_4, 10000],
         [ 45,  22,   0, "ax_res", res1_2, 100000],
         [ 35,  22,   0, "vero_pin"],
         [ 35,  17,   0, "vero_pin", true],
-        [ 35,   9,   0, "link", 0, 5], // Vertical wire
+        [ 35,   8, 180, "rd_transistor", TO92, "78L05", undef,  undef, "Regulator"],
+        [ 35,  13, 180, "rd_transistor", E_LINE, "ZTX853"],
+        [ 35,   3,   0, "link", 0, 5], // Vertical wire
 
-        [ 60,   9,   0, "link", inch(0.2), inch(0.4)], // Raised link
-        [ 60,  12,   0, "ax_res", res1_8, 1000000, 1, inch(0.1)],
-        [ 60,  17,   0, "ax_res", res1_4, 100,     2, inch(0.1)],
+        [ 60,   3,   0, "link", inch(0.2), inch(0.4)], // Raised link
+        [ 60,   6,   0, "ax_diode", DO_41, "1N4007", inch(0.1)],
+        [ 60,  10,   0, "ax_diode", DO_35, "1N4148", inch(0.1)],
+
+        [ 60,  14,   0, "ax_res", res1_8, 1000000, 1, inch(0.1)],
+        [ 60,  18,   0, "ax_res", res1_4, 100,     2, inch(0.1)],
         [ 60,  22,   0, "ax_res", res1_2, 10,     10, inch(0.2)],
 
         [ 33,  110, -90, "rd_xtal", HC49,    "4MHz" ],
         [ 28,  110, -90, "rd_xtal", HC49_4H, "10MHz" ],
-        [ 28,  103, -90, "rd_xtal", C_002RX, "60KHz", 2 ],
+        [ 28,  102, -90, "rd_xtal", C_002RX, "60KHz", 3, inch(0.1) ],
 
         [ 30,  130,-90, "rd_xtal", ACT1100, "40MHz", 0.5 ],
         [ 30,  150,-90, "rd_xtal", ACT1700, "80MHz", 0.5 ],
@@ -130,11 +151,16 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 95,  15, -90, "flat_flex"],
         [ 87,  15, -90, "flat_flex", true],
 
-        [ 50,  50,   0, "molex_hdr", 2],
-        [ 50,  60,   0, "jst_xh", 2],
-        [ 50,  70, 180, "term254", 3],
-        [ 63,  70, 180, "term254", 3, undef, grey(20)],
-        [ 75,  70, 180, "gterm508",2, undef, "blue"],
+        [ 47,  55,   0, "molex_hdr", 2],
+        [ 51,  48,   0, "molex_hdr", 2, 1],
+        [ 51,  41,   0, "molex_hdr", 2, -1],
+        [ 45,  65,   0, "jst_xh", 2],
+        [ 54,  65,   0, "jst_ph", 2],
+        [ 61,  65,   0, "jst_zh", 2],
+
+        [ 50,  75, 180, "term254", 3],
+        [ 63,  75, 180, "term254", 3, undef, grey(20)],
+        [ 75,  75, 180, "gterm508",2, undef, "blue"],
 
         [ 50,  90, 180, "gterm35", 4, [1,2]],
         [ 63,  90, 180, "gterm35", 4, [1,2], "red"],
@@ -161,7 +187,10 @@ test_pcb = ["test_pcb", "Test PCB",
         [ 78, 166, -90, "smd_soic", SOIC14, "74HC00"],
         [ 71, 166, -90, "smd_soic", SOIC16, "ICL323"],
         [ 64, 166, -90, "smd_soic", SOIC8, "M34063"],
-        [ 80, 150,   0, "chip", 10, 5, 1, grey(20)],
+        [ 70, 150,   0, "chip", 10, 5, 1, grey(20)],
+
+         [90, 140, -90, "relay", HF33F, "012-HSL-3F"],
+
 
         [ 52, 206,   0, "2p54socket", 8, 1 ],
         [ 52, 194,   0, "2p54socket", 8, 1, false, 0, false, "red" ],
@@ -177,5 +206,5 @@ test_pcb = ["test_pcb", "Test PCB",
 
 
 if($preview)
-    let($show_threads = true)
+    let($show_threads = true, $solder = pcb_solder(test_pcb))
         pcb(test_pcb);

tests/SBR_rails.scad

@@ -0,0 +1,46 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../core.scad>
+include <../vitamins/sbr_rails.scad>
+
+use <../utils/layout.scad>
+use <../vitamins/bearing_block.scad>
+
+length = 200;
+sheet = 3;
+
+module sbr_rails()
+    layout([for(r = sbr_rails) sbr_rail_base_width(r)], 10)
+        rotate([90, 180,0]) {
+            rail = sbr_rails[$i];
+            sbr_rail(rail, length);
+            carriage = sbr_rail_carriage(rail);
+            screw = sbr_rail_screw(rail);
+
+            sbr_bearing_block_assembly(carriage, sheet);
+
+            sbr_screw_positions(rail, length)
+                explode(20)
+                    rotate([90,0,0])
+                        screw(sbr_rail_screw(rail), 18);
+
+         }
+
+if($preview)
+    sbr_rails();

tests/SMDs.scad

@@ -23,7 +23,7 @@ include <../vitamins/smds.scad>
 
 module smds() {
     layout([for(r = smd_resistors) smd_res_size(r).x], 1)
-        smd_resistor(smd_resistors[$i], ["1R0", "10M", "100K"][$i % 3]);
+        smd_resistor(smd_resistors[$i], ["1R0", "10", "100", "10M", "100K", "10u"][$i % 6]);
 
     translate([0, 3])
         layout([for(l = smd_leds) smd_led_size(l).x], 1)
@@ -35,29 +35,44 @@ module smds() {
                 smd_capacitor(c, smd_cap_size(c).y * 0.8);
 
     translate([0, 9])
-        layout([for(d = smd_diodes) smd_diode_size(d).x], 1)
+        layout([for(t = smd_tants) smd_tant_leads(t).x], 1)
+            let(t = smd_tants[$i])
+                smd_tant(t, ["105e","106J", "107A"][$i]);
+
+    translate([0, 12.5])
+        layout([for(d = smd_diodes) smd_diode_leads(d).x], 1)
             let(d = smd_diodes[$i])
                 smd_diode(d, ["SS34"][$i]);
 
-    translate([0, 15])
+    translate([0, 24])
         layout([for(s = smd_sots) smd_sot_size(s).x], 1)
             let(s = smd_sots[$i])
                 smd_sot(s, ["2N7000", "FZT851"][$i]);
 
-    translate([0, 21])
+    translate([0, 18])
         layout([for(p = smd_pots) smd_pot_size(p).x], 1)
             let(p = smd_pots[$i])
                 smd_pot(p, "10K");
 
-    translate([0, 28])
+    translate([6, 18])
+        layout([for(c = smd_coaxs) smd_coax_base_size(c).x], 1)
+            let(c = smd_coaxs[$i])
+                smd_coax(c);
+
+    translate([0, 31])
         layout([for(s = smd_soics) smd_soic_size(s).x], 1)
             let(s = smd_soics[$i])
                 smd_soic(s, s[0]);
 
-    translate([0, 36])
-        layout([for(i = smd_inductors) smd_inductor_size(i).x], 1)
+    translate([0, 39])
+        layout([for(i = smd_inductors) smd_inductor_leads(i).x], 1)
             let(i = smd_inductors[$i])
                 smd_inductor(i, "4R7");
+
+    translate([20, 6])
+         layout([for(q = smd_qfps) smd_qfp_body_size(q).x], 3)
+            let(q = smd_qfps[$i])
+                smd_qfp(q, ["ATSAM4S4BA"][$i]);
 }
 
 if($preview)

tests/axials.scad

@@ -23,6 +23,7 @@ include <../vitamins/pcbs.scad>
 module axials() {
     pcb = PERF60x40;
     pcb(pcb);
+    $solder = pcb_solder(pcb);
 
     pcb_grid(pcb, 0, 2)
         rotate(90)
@@ -36,14 +37,26 @@ module axials() {
         wire_link(0.8, 0, 5);
 
     for(i = [0 : len(ax_resistors) - 1]) {
-        pcb_grid(pcb, 2 * i + 2, 1 + [0, 0.5, 1.5][i])
+        x = 2 * i + 3 + len(ax_diodes);
+        pcb_grid(pcb, x, 1 + [0, 0.5, 1.5][i])
             rotate(90)
                 ax_res(ax_resistors[i], [1000, 47000, 8200][i], 5);
 
-        pcb_grid(pcb, 2 * i + 2, 6.5)
+        pcb_grid(pcb, x, 6.5)
             rotate(-90)
                 ax_res(ax_resistors[i], [2200, 39000, 8250][i], 1, inch(0.1));
     }
+
+    d_values = ["1N4148", "1N4007"];
+    for(i = [0 : len(ax_diodes) - 1]) {
+        pcb_grid(pcb, i + 2, 1 + [0, 0.5, 1.5][i])
+            rotate(90)
+                ax_diode(ax_diodes[i], d_values[i]);
+
+        pcb_grid(pcb, i + 2, 6.5)
+            rotate(-90)
+                ax_diode(ax_diodes[i], d_values[i], inch(0.1));
+    }
 }
 
 if($preview)

tests/bearing_blocks.scad

@@ -24,12 +24,26 @@ use <../utils/layout.scad>
 module scs_bearing_blocks()
     layout([for(s = scs_bearing_blocks) scs_size(s).x], 10) {
         part_thickness = 5;
-        scs_bearing_block_assembly(scs_bearing_blocks[$i], part_thickness);
+        translate([0, 60])
+            scs_bearing_block_assembly(scs_bearing_blocks[$i], part_thickness);
 
         if($i > 0) // skip $i==0, since no SCS6LUU long variant to match SCS6UU
-            translate([0, 60])
+            translate([0, 120])
                 scs_bearing_block_assembly(scs_bearing_blocks_long[$i - 1], part_thickness);
     }
 
-if($preview)
+module sbr_bearing_blocks()
+    layout([for(s = sbr_bearing_blocks) sbr_size(s).x], 10) {
+        part_thickness = 5;
+        sbr_bearing_block_assembly(sbr_bearing_blocks[$i], part_thickness);
+    }
+
+module bearing_blocks() {
     scs_bearing_blocks();
+
+    translate([190, 0])
+        sbr_bearing_blocks();
+}
+
+if($preview)
+    bearing_blocks();

tests/camera_housing.scad

@@ -26,8 +26,9 @@ include <../vitamins/cameras.scad>
 use <../vitamins/pcb.scad>
 
 module camera_housings()
-    layout([for(c = cameras) pcb_length(camera_pcb(c))], 15, false) let(c = cameras[$i])
-        camera_fastened_assembly(c, 3);
+    layout([for(c = cameras) pcb_length(camera_pcb(c))], 10, false) let(c = cameras[$i])
+        if(pcb_screw(camera_pcb(c)))
+            camera_fastened_assembly(c, 3);
 
 if($preview)
     camera_housings();

tests/circlips.scad

@@ -22,7 +22,7 @@ use <../utils/layout.scad>
 include <../vitamins/circlips.scad>
 
 module circlips(all = false)
-    layout([for(c = circlips) circlip_d3(c)], 10, false) let(c = circlips[$i]) {
+    layout([for(c = circlips) circlip_d3(c)], 5, false) let(c = circlips[$i]) {
         gap = circlip_d3(c) + 2;
 
         internal_circlip(c, 1);

tests/linear_bearings.scad

@@ -21,13 +21,18 @@ use <../utils/layout.scad>
 
 include <../vitamins/linear_bearings.scad>
 
-module linear_bearings()
+module linear_bearings() {
     layout([for(b = linear_bearings) 2 * bearing_radius(b)]) {
-        linear_bearing(linear_bearings[$i]);
-
         translate([0, 30])
+            linear_bearing(linear_bearings[$i]);
+
+        translate([0, 60])
             linear_bearing(long_linear_bearings[$i]);
     }
+    layout([for(b = open_linear_bearings) 2 * bearing_radius(b)])
+        translate([105, 0])
+            linear_bearing(open_linear_bearings[$i]);
+}
 
 if($preview)
     linear_bearings();

tests/pcb_utils.scad

@@ -0,0 +1,48 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+include <../utils/core/core.scad>
+
+use <../utils/pcb_utils.scad>
+
+module pcb_utils() {
+    let($solder = [1, 0, 1.6])
+        solder();
+
+    r = 2;
+    h = 10;
+
+    color(grey(20))
+        cylinder(r = r, h = h);
+
+    color("silver")
+        vflip()
+            cylinder(d = 0.6, h = 3, $fn = 16);
+
+    color("white")
+        translate_z(h / 2)
+            cylindrical_wrap(r = r)
+                resize([0, h * .8], auto = true)
+                    rotate(90)
+                        text("Hello", halign = "center", valign = "center");
+}
+
+if($preview)
+    rotate(-45)
+        pcb_utils();

tests/photo_interrupters.scad

@@ -0,0 +1,28 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../utils/core/core.scad>
+include <../vitamins/photo_interrupters.scad>
+
+use <../utils/layout.scad>
+
+module photo_interrupters()
+    layout([for(l = photo_interrupters) pi_base_length(l)], 5, true)
+        photo_interrupter(photo_interrupters[$i]);
+
+photo_interrupters();

tests/pin_headers.scad

@@ -45,9 +45,15 @@ module pin_headers() {
         translate([0, 50])
             box_header(pin_headers[$i], 8, 1);
 
+        translate([40, 40])
+            box_header(pin_headers[$i], 8, 1, right_angle = true);
+
         translate([0, 60])
             box_header(pin_headers[$i], 10, 2);
 
+        translate([40, 60])
+            box_header(pin_headers[$i], 10, 2, right_angle = true);
+
         translate([0, 70])
             pin_socket(pin_headers[$i], 8, 1);
 

tests/radials.scad

@@ -20,12 +20,36 @@ include <../core.scad>
 include <../vitamins/pcbs.scad>
 
 module radials() {
-    pcb = PERF60x40;
+    pcb = PERF70x50;
     pcb(pcb);
+    $solder = pcb_solder(pcb);
 
     for(i = [0 : len(rd_xtals) - 1])
-        pcb_grid(pcb, [0.5, 1, 1.5, 9, 1][i], [0, 2, 6.5, 6.5, 11][i])
+        pcb_grid(pcb, [0.5, 1, 1.5, 9, 1][i], [4, 6, 10.5, 10.5, 16][i])
             rd_xtal(rd_xtals[i], value = rd_xtals[i][0], z = 1.5, pitch = [inch(0.1), inch(0.2), [inch(0.3), inch(0.3)], [inch(0.6), inch(0.3)], inch(0.2)][i]);
+
+    pcb_grid(pcb, 8.5, 15.5)
+        rd_module(rd_modules[0], "012-HSL3F");
+
+    pcb_grid(pcb, 20 -0.4, 9)
+        rotate(-90)
+            rd_module(rd_modules[1], "12V 250ma");
+
+    for(i = [0 : len(rd_discs) - 1])
+        pcb_grid(pcb, 1 + 2.5 * i, 1) {
+            disc = rd_discs[i];
+            pitch = rd_disc_pitch(disc);
+            dx = round(pitch.x / inch(0.1)) * inch(0.1);
+            dy = round(pitch.y / inch(0.1)) * inch(0.1);
+
+            rotate(90 - atan2(dy, dx))
+                rd_disc(disc, pitch = norm([dy, dx]), z = 0.5, value = ["10nF", "470V",][i]);
+        }
+
+     for(i = [0 : len(rd_transistors) - 1])
+        pcb_grid(pcb, 5 + 3 * i, 5)
+            rotate(90)
+                rd_transistor(rd_transistors[i], ["ZTX853", "BC337"][i], lead_positions = inch(0.1) * [[-1, 0], [0, -sign(i)], [1, 0]]);
 }
 
 if($preview)

tests/screws.scad

@@ -56,7 +56,7 @@ module screws() {
                     screw(screw, length);
             }
         }
-        translate([20, 40, -15])
+        translate([20, 60, -15])
             polysink_stl();
 }
 

tests/veroboard.scad

@@ -24,14 +24,11 @@ use <../vitamins/veroboard.scad>
 z_cable_ways = 20;
 
 z_vb = ["z_vb", "z_bed_terminal", 5, z_cable_ways / 2 + 12, inch(0.1), false, M3_dome_screw,
-        [[2,2],[2,-3]], [], [5, 7, 9],
+        [[2,2],[2,-3]], [], [4, 5, 7, 9],
         [
             [3,   z_cable_ways / 4 + 5.5, 0,  "term254", z_cable_ways / 2,     [1, 3]],
             [0.5, z_cable_ways / 4 + 5.5, 90, "transition", z_cable_ways / 2,  [1, 3]],
         ],
-        [
-            [[0,1,3], 6], [[0,1,3], 8],  [[0,1,3],[10 : 6 + z_cable_ways / 2 - 1]],
-        ]
      ];
 
 module veroboard_test() translate([vero_length(z_vb) / 2, vero_width(z_vb) / 2]) {

utils/maths.scad

@@ -104,7 +104,7 @@ function reverse(v) = let(n = len(v) - 1) n < 0 ? [] : [for(i = [0 : n]) v[n - i
 function angle_between(v1, v2) = acos(v1 * v2 / (norm(v1) * norm(v2))); //! Return the angle between two vectors
 
 // http://eecs.qmul.ac.uk/~gslabaugh/publications/euler.pdf
-function euler(R) = let(ay = asin(-R[2][0]), cy = cos(ay)) //! Convert a rotation matrix to a Euler rotation vector.
+function euler(R) = let(ay = asin(-R[2][0]), cy = cos(ay)) //! Convert a rotation matrix to an Euler rotation vector.
     cy ? [ atan2(R[2][1] / cy, R[2][2] / cy), ay, atan2(R[1][0] / cy, R[0][0] / cy) ]
        : R[2][0] < 0 ? [atan2( R[0][1],  R[0][2]),  90, 0]
                      : [atan2(-R[0][1], -R[0][2]), -90, 0];
@@ -118,24 +118,24 @@ module position_children(list, t) //! Position children if they are on the Z = 0
 
 // Matrix inversion: https://www.mathsisfun.com/algebra/matrix-inverse-row-operations-gauss-jordan.html
 
-function augment(m) = let(l = len(m), n = identity(l)) [ //! Augment a matrix by adding an identity matrix to the right
+function augment(m) = let(l = len(m), n = identity(l)) [ // Augment a matrix by adding an identity matrix to the right
     for(i = [0 : l - 1])
         concat(m[i], n[i])
 ];
 
-function rowswap(m, i, j) = [ //! Swap two rows of a matrix
+function rowswap(m, i, j) = [ // Swap two rows of a matrix
     for(k = [0 : len(m) - 1])
         k == i ? m[j] : k == j ? m[i] : m[k]
 ];
 
-function solve_row(m, i) = let(diag = m[i][i]) [ //! Make diagonal one by dividing the row by it and subtract from other rows to make column zero
+function solve_row(m, i) = let(diag = m[i][i]) [ // Make diagonal one by dividing the row by it and subtract from other rows to make column zero
     for(j = [0 : len(m) - 1])
         i == j ? m[j] / diag : m[j] - m[i] * m[j][i] / diag
 ];
 
 function nearly_zero(x) = abs(x) < 1e-5; //! True if x is close to zero
 
-function solve(m, i = 0, j = 0) = //! Solve each row ensuring diagonal is not zero
+function solve(m, i = 0, j = 0) = // Solve each row ensuring diagonal is not zero
     i < len(m) ?
         assert(i + j < len(m), "matrix is singular")
          solve(!nearly_zero(m[i + j][i]) ? solve_row(j ? rowswap(m, i, i + j) : m, i) : solve(m, i, j + 1), i + 1)

utils/pcb_utils.scad

@@ -0,0 +1,58 @@
+//
+// NopSCADlib Copyright Chris Palmer 2023
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! Utilities for making PCBs and components
+//
+include <../utils/core/core.scad>
+
+module solder_meniscus(ir = 0.3, r) { //! Draw a solder meniscus
+    h = 0.7;
+
+    color("silver") rotate_extrude()
+        difference() {
+            square([r, h]);
+
+            translate([r + eps, h + eps])
+                ellipse(r - ir + eps, h, $fn = 64);
+        }
+}
+
+module solder(ir = 0.3) { //! Maybe add solder meniscus if $solder is set
+    if(!is_undef($solder))
+        vflip()
+            translate_z($solder.z)
+                solder_meniscus(ir = ir, r = $solder.x);
+}
+
+module cylindrical_wrap(r, h = eps) { //! Wrap a 2D child extruded to height `h` around a cylinder with radius `r`.
+    sides = r2sides(r);
+    dx = 2 * r * tan(180 / sides);
+    for(i = [0 : sides - 1])
+        rotate((i - 0.5) * 360 / sides)
+            translate([0, r])
+                 rotate([-90, 0, 0])
+                    linear_extrude(h, center = true)
+                        intersection() {
+                            translate([(sides / 2 - i) * -dx, 0])
+                                children();
+
+                            square([dx, inf], center = true);
+                        }
+}

vitamins/7_segment.scad

@@ -24,6 +24,7 @@
 //! Presence of a decimal point is determined by the number of pins. Its position is determined by a heuristic.
 //
 include <../utils/core/core.scad>
+use <../utils/pcb_utils.scad>
 
 
 function 7_segment_size(type)       = type[1]; //! Size of the body
@@ -98,11 +99,13 @@ module 7_segment_digit(type, colour = grey(95), pin_length = 6.4) { //! Draw the
                 }
 
     color(silver)
-        translate_z(-pin_length)
-            linear_extrude(pin_length)
-                for(x = [0 : 1 : pins.x - 1], y = [0 : 1 : pins.y - 1])
-                    translate([(x - (pins.x - 1) / 2) * pin_pitch.x, (y - (pins.y - 1) / 2) * pin_pitch.y])
-                        circle(d = pin_pitch[2], $fn = 16);
+        for(x = [0 : 1 : pins.x - 1], y = [0 : 1 : pins.y - 1])
+            translate([(x - (pins.x - 1) / 2) * pin_pitch.x, (y - (pins.y - 1) / 2) * pin_pitch.y]) {
+                vflip()
+                    cylinder(d = pin_pitch[2], h = pin_length, $fn = 16);
+
+                solder();
+             }
 }
 
 module 7_segment_digits(type, n, colour = grey(70), pin_length = 6.4, cutout = false) { //! Draw n digits side by side

vitamins/axial.scad

@@ -21,7 +21,8 @@
 //! Axial components for PCBs.
 //
 include <../utils/core/core.scad>
-include <../utils/round.scad>
+use <../utils/round.scad>
+use <../utils/pcb_utils.scad>
 
 module wire_link(d, l, h = 1, tail = 3, sleeve = false) { //! Draw a wire jumper link. `sleeve` can be a list with the diameter and colour. If `l` is zero then a vertical wire is drawn.
     vitamin(str("wire_link(", d, ", ", l, arg(h, 1, "h"), arg(tail, 3, "tail"), arg(sleeve, false, "sleeve"),
@@ -40,15 +41,20 @@ module wire_link(d, l, h = 1, tail = 3, sleeve = false) { //! Draw a wire jumper
                         rotate_extrude(angle = 90)
                             translate([r, 0])
                                 circle(d = d);
+
+                translate([side * l /2, 0])
+                    solder(ir = d / 2);
             }
 
             translate_z(h)
                 rotate([0, 90, 0])
                     cylinder(d = d, h = l - 2 * r, center = true);
         }
-    else
-        translate_z(-tail)
-            cylinder(d = d, h = tail + h);
+        else {
+            translate_z(-tail)
+                cylinder(d = d, h = tail + h);
+            solder(ir = d / 2);
+        }
 
     if(sleeve)
         color(sleeve[1])
@@ -151,3 +157,59 @@ module ax_res(type, value, tol = 5, pitch = 0) { //! Through hole axial resistor
                     }
     }
 }
+
+function ax_diode_size(type)   = type[1]; //! Body length, diameter and corner radius
+function ax_diode_wire(type)   = type[2]; //! Wire diameter
+function ax_diode_colour(type) = type[3]; //! Body colour and stripe colour
+
+module ax_diode(type, value, pitch = 0) { //! Through hole axial diode. If `pitch` is zero the minimum is used. If below the minimum the resistor is placed vertical.
+    vitamin(str("ax_diode(", type[0], ", \"", value, "\"): Diode ", value));
+
+    wire_d =  ax_diode_wire(type);
+    size = ax_diode_size(type);
+    colours = ax_diode_colour(type);
+    body_r = size.y / 2;
+    length = size.x;
+    r = size.z;
+    $fn = 32;
+
+
+    orientate_axial(length, body_r, pitch, wire_d) {
+        color("darkred") {
+            gap = length / 20;
+            l = (length - gap) / 2 - r - 2 * eps;
+            for(end = [-1, 1])
+                translate_z(end * (l + gap) / 2)
+                    cylinder(r = body_r * 0.8, h = l, center = true);
+
+            cylinder(r = wire_d / 2 + eps, h = gap + eps, center = true);
+        }
+
+        color(colours[0])
+            rotate_extrude()
+                hull() {
+                    translate([0, -length / 2])
+                        square([body_r - r, length]);
+
+                    if(r) {
+                        translate([body_r - r, -length / 2 + r])
+                            circle(r);
+
+                        translate([body_r - r, length / 2 - r])
+                            circle(r);
+                    }
+                }
+
+        color(colours[1]) {
+            translate_z(-length / 2 + r + eps)
+                cylinder(r = body_r + eps, h = length / 5);
+
+            tlength = 2 * PI * body_r * 0.8;
+
+            cylindrical_wrap(body_r)
+                resize([tlength, 0], auto = true)
+                    text(value, halign = "center", valign = "center");
+
+        }
+    }
+}

vitamins/axials.scad

@@ -27,4 +27,9 @@ res1_2 = ["res1_2", 0.5,  10,   3.25, 3.7, 1.8, 0.70, "#FAE3AC"];
 
 ax_resistors = [res1_8, res1_4, res1_2];
 
+DO_35 = ["DO_35", [3.4,  1.75, 0.3], 0.55, [[1,1,1, 0.5], grey(10)]];
+DO_41 = ["DO_41", [5.21, 2.72, 0],   0.87, [grey(20),     grey(90)]];
+
+ax_diodes = [DO_35, DO_41];
+
 use <axial.scad>