Merge branch 'martinbudden-bldc_propshaft_fix'

CHANGELOG.md

@@ -3,6 +3,57 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+### [v15.21.0](https://github.com/nophead/NopSCADlib/releases/tag/v15.21.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v15.20.0...v15.21.0 "diff with v15.20.0")
+*   2021-07-01 [`df35e14`](https://github.com/nophead/NopSCADlib/commit/df35e14fc71794c3826d6c99ce3cab93a4cfa5fe "show commit") [M.B.](# "Martin Budden") Improved handling of pcb plating colour.
+
+### [v15.20.0](https://github.com/nophead/NopSCADlib/releases/tag/v15.20.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v15.19.3...v15.20.0 "diff with v15.19.3")
+*   2021-06-29 [`c982876`](https://github.com/nophead/NopSCADlib/commit/c982876ebc0f95b466de1af3c80642dfd88800e6 "show commit") [C.P.](# "Chris Palmer") Can now specify the screw used for PSU shrouds and get the wall thickness.
+
+#### [v15.19.3](https://github.com/nophead/NopSCADlib/releases/tag/v15.19.3 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v15.19.2...v15.19.3 "diff with v15.19.2")
+*   2021-06-17 [`92d0444`](https://github.com/nophead/NopSCADlib/commit/92d0444e5f96c8f4768afb3d014044d7e66c6e69 "show commit") [C.P.](# "Chris Palmer") Changelog now runs codespell to fix the spellings in the commit comments.
+
+#### [v15.19.2](https://github.com/nophead/NopSCADlib/releases/tag/v15.19.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v15.19.1...v15.19.2 "diff with v15.19.1")
+*   2021-06-15 [`8d7c44b`](https://github.com/nophead/NopSCADlib/commit/8d7c44b80deffcc8c6b84c7a6485c959826cb381 "show commit") [M.B.](# "Martin Budden") Spelling corrections.
+
+#### [v15.19.1](https://github.com/nophead/NopSCADlib/releases/tag/v15.19.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v15.19.0...v15.19.1 "diff with v15.19.0")
+*   2021-06-17 [`d38055c`](https://github.com/nophead/NopSCADlib/commit/d38055c15c8b00f91f9c5a4749264acc9b123aad "show commit") [C.P.](# "Chris Palmer") Updated readme.
+
+*   2021-06-11 [`dcfe426`](https://github.com/nophead/NopSCADlib/commit/dcfe4262c519fb750702564309b790cda5b1c090 "show commit") [M.B.](# "Martin Budden") Fixed typos.
+
+### [v15.19.0](https://github.com/nophead/NopSCADlib/releases/tag/v15.19.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v15.18.0...v15.19.0 "diff with v15.18.0")
+*   2021-06-17 [`c7a6d81`](https://github.com/nophead/NopSCADlib/commit/c7a6d8164f545e83c4d871080ac63b7d903829df "show commit") [C.P.](# "Chris Palmer") Added `molex_usb_Ax1()` and now shows SMT caps in the PCB test.
+
+### [v15.18.0](https://github.com/nophead/NopSCADlib/releases/tag/v15.18.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v15.17.1...v15.18.0 "diff with v15.17.1")
+*   2021-06-08 [`d1a17bd`](https://github.com/nophead/NopSCADlib/commit/d1a17bd4ac90a7d3d6de7c4d4d032e8198c48647 "show commit") [C.P.](# "Chris Palmer") Added LIPO fuel gauge PCB.
+
+*   2021-06-08 [`b8efa11`](https://github.com/nophead/NopSCADlib/commit/b8efa11fd9504f4b837be663190d238c6227941e "show commit") [C.P.](# "Chris Palmer") Added SMD capacitors.
+
+*   2021-06-07 [`3bc8f35`](https://github.com/nophead/NopSCADlib/commit/3bc8f35e37741ef12d45951546059902b472b34a "show commit") [C.P.](# "Chris Palmer") Can now put `jst_ph` connectors on PCBs
+
+*   2021-06-07 [`39c11ef`](https://github.com/nophead/NopSCADlib/commit/39c11ef3b209256be393b3b211fef72c8ac793a1 "show commit") [C.P.](# "Chris Palmer") Added 2p54joiner to represent cropped headers joining PCBs.
+
+*   2021-06-07 [`5a8a1da`](https://github.com/nophead/NopSCADlib/commit/5a8a1da8801e3d799b7e322b397b236685552f97 "show commit") [C.P.](# "Chris Palmer") Added Seeeduino XIAO.
+Tiny PCBs now shown in a third line.
+
+*   2021-06-07 [`3147862`](https://github.com/nophead/NopSCADlib/commit/3147862212d6d1277a5e164909e4004e3e321f10 "show commit") [C.P.](# "Chris Palmer") PCB lands can be rounded and can specify colour.
+Holes can be positioned on the edge to make surface mountable connections.
+
+#### [v15.17.1](https://github.com/nophead/NopSCADlib/releases/tag/v15.17.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v15.17.0...v15.17.1 "diff with v15.17.0")
+*   2021-06-07 [`4fc8a7f`](https://github.com/nophead/NopSCADlib/commit/4fc8a7f47df9a880b8e02c9e0f1a3a63d9939c3e "show commit") [C.P.](# "Chris Palmer") Fixed z-fighting between transparent LEDs and PCB.
+
+### [v15.17.0](https://github.com/nophead/NopSCADlib/releases/tag/v15.17.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v15.16.2...v15.17.0 "diff with v15.16.2")
+*   2021-06-06 [`a9ed994`](https://github.com/nophead/NopSCADlib/commit/a9ed9944c328d1fa5121ae10e4e0243bda45f001 "show commit") [C.P.](# "Chris Palmer") Added PERF70x51.
+
+*   2021-06-06 [`9cd2dbc`](https://github.com/nophead/NopSCADlib/commit/9cd2dbc3167c1d14ac1f72e5676f4154151b5638 "show commit") [C.P.](# "Chris Palmer") Added copper colour constant.
+Copper PCB pads and veroboard tracks now use copper colour.
+
+#### [v15.16.2](https://github.com/nophead/NopSCADlib/releases/tag/v15.16.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v15.16.1...v15.16.2 "diff with v15.16.1")
+*   2021-06-06 [`f3bfbbf`](https://github.com/nophead/NopSCADlib/commit/f3bfbbfcf21209fd993aa7ebc25c8d8d3c12fbd5 "show commit") [C.P.](# "Chris Palmer") Fixed Python error when top level assembly is empty.
+
+*   2021-06-06 [`baaa85f`](https://github.com/nophead/NopSCADlib/commit/baaa85ffedb1a7cdca42e01ca8f2e257438070fc "show commit") [C.P.](# "Chris Palmer") Updated readme.
+
+*   2021-06-06 [`f1a49d4`](https://github.com/nophead/NopSCADlib/commit/f1a49d4e28bf063950b113c64acaa918d470767f "show commit") [C.P.](# "Chris Palmer") Better description of `pcb_grid()`.
+
 #### [v15.16.1](https://github.com/nophead/NopSCADlib/releases/tag/v15.16.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v15.16.0...v15.16.1 "diff with v15.16.0")
 *   2021-06-04 [`9a4cc7e`](https://github.com/nophead/NopSCADlib/commit/9a4cc7ec42bf440e24ad3dacd88d7055736ae793 "show commit") [C.P.](# "Chris Palmer") Ziptie BOM entries no longer segregated by radius wrapped around.
 
@@ -153,7 +204,7 @@ Breaking change in `belt_length();` now requires a type argument
 
 ## [v14.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v14.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v13.5.0...v14.0.0 "diff with v13.5.0")
 *   2021-03-06 [`298d1f9`](https://github.com/nophead/NopSCADlib/commit/298d1f92841f30e13b437c6770fc113954b94108 "show commit") [C.P.](# "Chris Palmer") Interface is the same but filenames to be included or used changed.
-Changlog upated.
+Changelog updated.
 
 *   2021-03-06 [`491c3b4`](https://github.com/nophead/NopSCADlib/commit/491c3b4ea8d2ef51e55fd389f0dc0b9a6b9bd9a4 "show commit") [C.P.](# "Chris Palmer") Updated readme, `lib.scad` and image.
 
@@ -189,7 +240,7 @@ Changlog upated.
 
 *   2021-03-03 [`614e5f3`](https://github.com/nophead/NopSCADlib/commit/614e5f3a72db309a3dee996d7241317556883e8d "show commit") [C.P.](# "Chris Palmer") Issues in the changelog now link to to the issue.
 
-*   2021-03-03 [`a7eae4f`](https://github.com/nophead/NopSCADlib/commit/a7eae4f549b51dbe4624a8b67012919cef6cb24a "show commit") [C.P.](# "Chris Palmer") Neater changlog format.
+*   2021-03-03 [`a7eae4f`](https://github.com/nophead/NopSCADlib/commit/a7eae4f549b51dbe4624a8b67012919cef6cb24a "show commit") [C.P.](# "Chris Palmer") Neater changelog format.
 
 *   2021-03-03 [`31ab856`](https://github.com/nophead/NopSCADlib/commit/31ab8562a783464f93812b8c7c45d403587efd0a "show commit") [C.P.](# "Chris Palmer") Updated images
 
@@ -212,7 +263,7 @@ Changlog upated.
 *   2021-02-20 [`03a0c2f`](https://github.com/nophead/NopSCADlib/commit/03a0c2fe981ce12cda51a693f69b4fb19696cb8a "show commit") [C.P.](# "Chris Palmer") Fixed typo.
 
 ### [v13.3.0](https://github.com/nophead/NopSCADlib/releases/tag/v13.3.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v13.2.0...v13.3.0 "diff with v13.2.0")
-*   2021-02-20 [`7c2df8d`](https://github.com/nophead/NopSCADlib/commit/7c2df8d36d214a8bf8ebdcd39da293209bc175ab "show commit") [C.P.](# "Chris Palmer") The pose module can now specify the camera distance supressing viewall and
+*   2021-02-20 [`7c2df8d`](https://github.com/nophead/NopSCADlib/commit/7c2df8d36d214a8bf8ebdcd39da293209bc175ab "show commit") [C.P.](# "Chris Palmer") The pose module can now specify the camera distance suppressing viewall and
 autocentre.
 
 ### [v13.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v13.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v13.1.0...v13.2.0 "diff with v13.1.0")
@@ -507,9 +558,9 @@ Updated pics and readme.
 *   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.
 
 ### [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 horizonal rules
+*   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
 made with asterisks.
-If an image is include in the first section the default image is supressed.
+If an image is include in the first section the default image is suppressed.
 
 #### [v10.20.1](https://github.com/nophead/NopSCADlib/releases/tag/v10.20.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v10.20.0...v10.20.1 "diff with v10.20.0")
 *   2020-12-26 [`87c8bbb`](https://github.com/nophead/NopSCADlib/commit/87c8bbb9a549aabb84004426332dc964583472c5 "show commit") [M.B.](# "Martin Budden") Fixed error in `carriage_size` function.
@@ -524,12 +575,12 @@ If an image is include in the first section the default image is supressed.
 
 ### [v10.20.0](https://github.com/nophead/NopSCADlib/releases/tag/v10.20.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v10.19.0...v10.20.0 "diff with v10.19.0")
 *   2020-12-24 [`6f8ff60`](https://github.com/nophead/NopSCADlib/commit/6f8ff606fa5b2ef7d81fb687b77bd6236f6d277f "show commit") [C.P.](# "Chris Palmer") Removed `woven_sheet()` from the readme.
-Removed redundent code.
+Removed redundant code.
 
 *   2020-12-24 [`acd5de0`](https://github.com/nophead/NopSCADlib/commit/acd5de0fbd513b67387478b4c89a5ef4f11b440b "show commit") [C.P.](# "Chris Palmer") Fixed extra BOM entries for woven sheet.
 Added render colour to BOM for 3D sheets.
 
-*   2020-12-23 [`cc1e3ba`](https://github.com/nophead/NopSCADlib/commit/cc1e3baaf6ba7451b3545efc949015af822dc95c "show commit") [C.P.](# "Chris Palmer") Reimplemeted woven sheets with an eye to speed and interface consistancy.
+*   2020-12-23 [`cc1e3ba`](https://github.com/nophead/NopSCADlib/commit/cc1e3baaf6ba7451b3545efc949015af822dc95c "show commit") [C.P.](# "Chris Palmer") Reimplemeted woven sheets with an eye to speed and interface consistency.
 
 *   2020-12-13 [`85cb54e`](https://github.com/nophead/NopSCADlib/commit/85cb54ef318597a4922077785247ddcb08d5e00d "show commit") [M.B.](# "Martin Budden") Added sheet with checkerboard texture to simulate carbon fiber.
 
@@ -994,7 +1045,7 @@ Done to reduced the number of global constants.
 `Panel_meters` can now have inner apertures and buttons.
 
 ### [v7.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v7.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v7.1.1...v7.2.0 "diff with v7.1.1")
-*   2020-05-02 [`baa737c`](https://github.com/nophead/NopSCADlib/commit/baa737c4d83be0ab38685122ebe535872fe63e20 "show commit") [C.P.](# "Chris Palmer") Updated example to use Foot contructor.
+*   2020-05-02 [`baa737c`](https://github.com/nophead/NopSCADlib/commit/baa737c4d83be0ab38685122ebe535872fe63e20 "show commit") [C.P.](# "Chris Palmer") Updated example to use Foot constructor.
 
 *   2020-05-02 [`70b13d2`](https://github.com/nophead/NopSCADlib/commit/70b13d2f2723caa18a69afb7a179d88366c82c51 "show commit") [C.P.](# "Chris Palmer") Added functions to create property lists that are created by the client.
 Foot, box, bbox, pbox, `flat_hinge` and `strap_handle`.
@@ -1198,7 +1249,7 @@ The implementation files are still lower case for backwards compatibility.
 
 *   2020-03-03 [`bd60b50`](https://github.com/nophead/NopSCADlib/commit/bd60b50b099d76f6588ddfe900be276ed7d0cf98 "show commit") [C.P.](# "Chris Palmer") Removed lower case tests
 
-*   2020-03-03 [`4d51cb7`](https://github.com/nophead/NopSCADlib/commit/4d51cb73f3d2b3a92ac4c12a2002bc4918228969 "show commit") [C.P.](# "Chris Palmer") Table of contents now has three vitamin coloumns
+*   2020-03-03 [`4d51cb7`](https://github.com/nophead/NopSCADlib/commit/4d51cb73f3d2b3a92ac4c12a2002bc4918228969 "show commit") [C.P.](# "Chris Palmer") Table of contents now has three vitamin columns
 
 *   2020-03-02 [`3b77c97`](https://github.com/nophead/NopSCADlib/commit/3b77c975325851caf5e602ae6ceaa8e5d9126425 "show commit") [C.P.](# "Chris Palmer") Example now include `core.scad` instead of `lib.scad`.
 
@@ -1475,7 +1526,7 @@ This means 5mm, 6mm etc comes before 10mm in BOM.
 
 *   2020-01-11 [`d1324a6`](https://github.com/nophead/NopSCADlib/commit/d1324a670eb7ec898e6663dc9394fc1bd19ef664 "show commit") [M.B.](# "Martin Budden") Added JST-XH connector for pcbs.
 
-*   2020-02-22 [`599fbba`](https://github.com/nophead/NopSCADlib/commit/599fbba6c2b036a4a22fa04f2e06f67ef5bb9578 "show commit") [C.P.](# "Chris Palmer") Reduced dependecies in `pcb_mount` test.
+*   2020-02-22 [`599fbba`](https://github.com/nophead/NopSCADlib/commit/599fbba6c2b036a4a22fa04f2e06f67ef5bb9578 "show commit") [C.P.](# "Chris Palmer") Reduced dependencies in `pcb_mount` test.
 
 ### [v2.19.0](https://github.com/nophead/NopSCADlib/releases/tag/v2.19.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v2.16.0...v2.19.0 "diff with v2.16.0")
 *   2020-02-22 [`6097e07`](https://github.com/nophead/NopSCADlib/commit/6097e0709498166c61712094fcc11f083e25959f "show commit") [C.P.](# "Chris Palmer") Updated images and readme.
@@ -1791,7 +1842,7 @@ IEC screw length fixed at 10 if inserts used.
 *   2019-06-14 [`a51e96e`](https://github.com/nophead/NopSCADlib/commit/a51e96ec433c6d347e0d313573585cda9978e7b4 "show commit") [C.P.](# "Chris Palmer") Nuts now show their thickness on the BOM so half nuts have a different description.
 
 ## [v1.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v1.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v0.0.1...v1.0.0 "diff with v0.0.1")
-*   2019-06-14 [`b719601`](https://github.com/nophead/NopSCADlib/commit/b719601a645d899f5477c13a34f857d178bcc3a1 "show commit") [C.P.](# "Chris Palmer") Fixed cable strip parameters and BOM desciption
+*   2019-06-14 [`b719601`](https://github.com/nophead/NopSCADlib/commit/b719601a645d899f5477c13a34f857d178bcc3a1 "show commit") [C.P.](# "Chris Palmer") Fixed cable strip parameters and BOM description
 
 #### [v0.0.1](https://github.com/nophead/NopSCADlib/releases/tag/v0.0.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v0.0.0...v0.0.1 "diff with v0.0.0")
 *   2019-06-14 [`5ede2d0`](https://github.com/nophead/NopSCADlib/commit/5ede2d0895a8a813ef2bc47bf94462d668bc440b "show commit") [C.P.](# "Chris Palmer") Smooth pulleys now show their OD on the BOM.

printed/butt_box.scad

@@ -54,7 +54,7 @@ function bbox(screw, sheets, base_sheet, top_sheet, span, size, name = "bbox", s
  [ screw, sheets, base_sheet, top_sheet, span, size.x, size.y, size.z, name, skip_blocks, star_washers ];
 
 function bbox_volume(type) = bbox_width(type) * bbox_depth(type) * bbox_height(type) / 1000000; //! Internal volume in litres
-function bbox_area(type) = let(w =  bbox_width(type), d = bbox_depth(type), h = bbox_height(type)) //! Internal surdface area in m^2
+function bbox_area(type) = let(w =  bbox_width(type), d = bbox_depth(type), h = bbox_height(type)) //! Internal surface area in m^2
     2 * (w * d + w * h + d * h) / 1000000;
 
 module bbox_shelf_blank(type) { //! 2D template for a shelf

printed/door_hinge.scad

@@ -45,7 +45,7 @@ function door_hinge_stat_screw() = stat_screw;              //! Screw use to fas
 function door_hinge_stat_width() = stat_width;              //! Width of the stationary part
 function door_hinge_stat_length() = stat_length;            //! Length of the stationary part
 
-module door_hinge_hole_positions(dir = 0) {                 //! Position chidren at the door hole positions
+module door_hinge_hole_positions(dir = 0) {                 //! Position children at the door hole positions
     hole_pitch = width - 10;
 
     for(side = [-1, 1])

printed/door_latch.scad

@@ -57,7 +57,7 @@ module door_latch_stl() { //! Generates the STL for the printed part
         }
 }
 
-module door_latch_assembly(sheet_thickness = 3) { //! The assembly for a specified sheet thickess
+module door_latch_assembly(sheet_thickness = 3) { //! The assembly for a specified sheet thickness
     washer = screw_washer(screw);
     nut = screw_nut(screw);
 

printed/drag_chain.scad

@@ -20,7 +20,7 @@
 //
 //! Parametric cable drag chain to limit the bend radius of a cable run.
 //!
-//! Each link has a maximum bend angle of 45°, so the mininium radius is proportional to the link length.
+//! Each link has a maximum bend angle of 45°, so the minimum radius is proportional to the link length.
 //!
 //! The travel property is how far it can move in each direction, i.e. half the maximum travel if the chain is mounted in the middle of the travel.
 //!

printed/fan_guard.scad

@@ -17,7 +17,7 @@
 // If not, see <https://www.gnu.org/licenses/>.
 
 //
-//! Pintable fan finger guard to match the specified fan. To be `include`d, not `use`d.
+//! Printable fan finger guard to match the specified fan. To be `include`d, not `use`d.
 //!
 //! The ring spacing as well as the number of spokes can be specified, if zero a gasket is generated instead of a guard.
 //

printed/flat_hinge.scad

@@ -40,7 +40,7 @@ function hinge_knuckles(type)    = type[6]; //! How many knuckles
 function hinge_screw(type)       = type[7]; //! Screw type to mount it
 function hinge_screws(type)      = type[8]; //! How many screws
 function hinge_clearance(type)   = type[9]; //! Clearance between knuckles
-function hinge_margin(type)      = type[10]; //! How far to keep the screws from the knuckes
+function hinge_margin(type)      = type[10]; //! How far to keep the screws from the knuckles
 
 function flat_hinge(name, size, pin_d, knuckle_d, knuckles, screw, screws, clearance, margin) = //! Construct the property list for a flat hinge.
  [name, size.x, size.y, size.z, pin_d, knuckle_d, knuckles, screw, screws, clearance, margin];
@@ -73,7 +73,7 @@ module hinge_male(type, female = false) {       //! The half with the stationary
     assert(kr > pr, "knuckle diameter must be bigger than the pin diameter");
 
     n = hinge_knuckles(type);
-    assert(n >= 3, "must be at least three knuckes");
+    assert(n >= 3, "must be at least three knuckles");
     mn = ceil(n / 2);                           // Male knuckles
     fn = floor(n / 2);                          // Female knuckles
     gap = hinge_clearance(type);

printed/psu_shroud.scad

@@ -41,6 +41,7 @@ overlap = 6;
 cable_tie_inset = wall + 4;
 
 function psu_shroud_extent(type) = 15 + wall;                                   //! How far it extends beyond the PSU to clear the connections
+function psu_shroud_wall(type) = wall;                                          //! The wall thickness
 function psu_shroud_depth(type) =                                               //! Outside depth of the shroud
     psu_left_bay(type) + overlap + psu_shroud_extent(type);
 
@@ -154,7 +155,7 @@ assembly(str("PSU_shroud_", name), ngb = true) {
             insert(insert);
 }
 
-module psu_shroud_fastened_assembly(type, cable_d, thickness, name, cables = 1) //! Assembly with screws in place
+module psu_shroud_fastened_assembly(type, cable_d, thickness, name, cables = 1, screw = screw) //! Assembly with screws in place
 {
     screw_length = screw_length(screw,thickness + counter_bore, 2, true);
 

readme.md

@@ -268,21 +268,21 @@ SCSnUU and SCSnLUU bearing blocks
 <a name="Belts"></a>
 ## Belts
 Models timing belt running in a path over toothed or smooth pulleys and calculates an accurate length.
-Only models 2D paths, belt may twist to support crossed belt core XY and other designes where the belt twists!
+Only models 2D paths, belt may twist to support crossed belt core XY and other designs where the belt twists!
 
 By default the path is a closed loop. An open loop can be specified by specifying `open=true`, and in that case the start and end points are not connected, leaving the loop open.
 
 To get a 180 degree twist of the loop, you can use the `twist` argument. `Twist` can be a single number, and in that case the belt will twist after
 the position with that number. Alternatively `twist` can be a list of boolean values with a boolean for each position; the belt will then twist after
 the position that have a `true` value in the `twist` list. If the path is specified with pulley/idler types, then you can use `auto_twist=true`; in
-that case the belt will automatically twist so the back of the belt always runs against idlers and the tooth side runs against pullies. If you use
+that case the belt will automatically twist so the back of the belt always runs against idlers and the tooth side runs against pulleys. If you use
 `open=true` then you might also use `start_twist=true` to let the belt start the part with the back side out.
 
-The path must be specified as a list of positions. Each position should be either a vector with `[x, y, pulley]` or `[x, y, r]`. A pully is a type from
+The path must be specified as a list of positions. Each position should be either a vector with `[x, y, pulley]` or `[x, y, r]`. A pulley is a type from
 `pulleys.scad`, and correct radius and angle will automatically be calculated. Alternatively a radius can be specified directly.
 
 To make the back of the belt run against a smooth pulley on the outside of the loop specify a negative pitch radius.
-Alternativley you can just specify smooth pulleys in the path, and it will then happen automatically.
+Alternatively you can just specify smooth pulleys in the path, and it will then happen automatically.
 
 Individual teeth are not drawn, instead they are represented by a lighter colour.
 
@@ -595,7 +595,7 @@ PCB mounted buttons. Can optionally have a coloured cap
 ## Cable_strips
 A strip of polypropylene used with ribbon cable to make a cable flexible in one direction only.
 
-Modelled with a Bezier spline, which is not quite the same as a minimum energy curve but very close, epecially
+Modelled with a Bezier spline, which is not quite the same as a minimum energy curve but very close, especially
 near the extreme positions, where the model needs to be accurate.
 
 When the sides are constrained then a circular model is more accurate.
@@ -643,7 +643,7 @@ PCB cameras.
 |:--- |:--- |
 | `camera_connector_pos(type)` | The flex connector block for the camera itself's position |
 | `camera_connector_size(type)` | The flex connector block for the camera itself's size |
-| `camera_lens(type)` | Stack of lens parts, can be round, rectanular or rounded rectangular, with optional tapered aperture |
+| `camera_lens(type)` | Stack of lens parts, can be round, rectangular or rounded rectangular, with optional tapered aperture |
 | `camera_lens_offset(type)` | Offset of the lens center from the PCB centre |
 | `camera_pcb(type)` | The PCB part of the camera |
 
@@ -901,7 +901,7 @@ Dual inline IC packages and sockets
 ---
 <a name="Displays"></a>
 ## Displays
-LCD dispays.
+LCD displays.
 
 [vitamins/displays.scad](vitamins/displays.scad) Object definitions.
 
@@ -1692,7 +1692,7 @@ Standard domed through hole LEDs. Can specify colour and lead length.
 LED strip lights that can be cut to size.
 
 The definitions are for the full length but they can be cut to size by specifying how many segments,
-which can by calcuated using `light_strip_segments(type, max_length)`.
+which can by calculated using `light_strip_segments(type, max_length)`.
 
 The `light_strip_clip()` module makes a clip to go around the light that can be incorporated into a printed bracket to hold it.
 
@@ -2123,9 +2123,9 @@ Can be shown stretched by specifying the `actual_id`.
 ---
 <a name="Opengrab"></a>
 ## Opengrab
-Nicodrone OpenGrab V3 electro-permananet magnet, see <https://nicadrone.com/products/epm-v3>.
+Nicodrone OpenGrab V3 electro-permanent magnet, see <https://nicadrone.com/products/epm-v3>.
 
-A permanent magnet that can be magnatized and de-magnatized electronically.
+A permanent magnet that can be magnetized and de-magnetized electronically.
 
 [vitamins/opengrab.scad](vitamins/opengrab.scad) Implementation.
 
@@ -2168,7 +2168,7 @@ Panel mounted digital meter modules
 Notes on the DSN_VC288:
 
 * The tabs aren't modelled because they can be fully retracted if the PCB is removed.
-* The current connector isn't moddelled as it is awkwardly tall. I remove it and solder wires instead.
+* The current connector isn't modelled as it is awkwardly tall. I remove it and solder wires instead.
 
 [vitamins/panel_meters.scad](vitamins/panel_meters.scad) Object definitions.
 
@@ -2247,7 +2247,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | `hdmi_width1(type)` | Inside width at the top |
 | `hdmi_width2(type)` | Inside width at the bottom |
 | `pcb_accessories(type)` | List of accessories to go on the BOM, SD cards, USB cables, etc. |
-| `pcb_colour(type)` | Colour of the subtrate |
+| `pcb_colour(type)` | Colour of the substrate |
 | `pcb_components(type)` | List of components |
 | `pcb_grid(type)` | Grid origin if a perfboard |
 | `pcb_hole_d(type)` | Mounting hole diameter |
@@ -2283,7 +2283,8 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | `hdmi(type, cutout = false)` | Draw HDMI socket |
 | `jack(cutout = false)` | Draw 3.5mm jack |
 | `molex_254(ways)` | Draw molex header |
-| `molex_usb_Ax2(cutout)` | Draw Molex USB connector suitable for perf board |
+| `molex_usb_Ax1(cutout)` | Draw Molex USB A connector suitable for perf board |
+| `molex_usb_Ax2(cutout)` | Draw Molex dual USB A connector suitable for perf board |
 | `pcb(type)` | Draw specified PCB |
 | `pcb_assembly(type, height, thickness)` | Draw PCB assembly with spaces and fasteners in place |
 | `pcb_base(type, height, thickness, wall = 2)` | Generate STL for a base with PCB spacers |
@@ -2336,6 +2337,9 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `ax_res(res1_8, 1e+6, tol = 1)` |  Resistor 1e+6 Ohms 1% 0.125W |
 |   1 | `smd_led(LED0603, orange)` |  SMD LED 0603 orange |
 |   1 | `smd_led(LED0805, red)` |  SMD LED 0805 red |
+|   1 | `smd_capacitor(CAP0603)` |  SMD capacitor 0603 |
+|   1 | `smd_capacitor(CAP0805)` |  SMD capacitor 0805 |
+|   1 | `smd_capacitor(CAP1206)` |  SMD capacitor 1206 |
 |   1 | `smd_resistor(RES0603, 1K)` |  SMD resistor 0603 1K 0.1W |
 |   1 | `smd_resistor(RES0805, 1K)` |  SMD resistor 0805 1K 0.125W |
 |   1 | `smd_resistor(RES1206, 1K)` |  SMD resistor 1206 1K 0.25W |
@@ -2384,7 +2388,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | `hdmi_width1(type)` | Inside width at the top |
 | `hdmi_width2(type)` | Inside width at the bottom |
 | `pcb_accessories(type)` | List of accessories to go on the BOM, SD cards, USB cables, etc. |
-| `pcb_colour(type)` | Colour of the subtrate |
+| `pcb_colour(type)` | Colour of the substrate |
 | `pcb_components(type)` | List of components |
 | `pcb_grid(type)` | Grid origin if a perfboard |
 | `pcb_hole_d(type)` | Mounting hole diameter |
@@ -2420,7 +2424,8 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | `hdmi(type, cutout = false)` | Draw HDMI socket |
 | `jack(cutout = false)` | Draw 3.5mm jack |
 | `molex_254(ways)` | Draw molex header |
-| `molex_usb_Ax2(cutout)` | Draw Molex USB connector suitable for perf board |
+| `molex_usb_Ax1(cutout)` | Draw Molex USB A connector suitable for perf board |
+| `molex_usb_Ax2(cutout)` | Draw Molex dual USB A connector suitable for perf board |
 | `pcb(type)` | Draw specified PCB |
 | `pcb_assembly(type, height, thickness)` | Draw PCB assembly with spaces and fasteners in place |
 | `pcb_base(type, height, thickness, wall = 2)` | Generate STL for a base with PCB spacers |
@@ -2697,7 +2702,7 @@ Pin headers and sockets, etc.
 ---
 <a name="PSUs"></a>
 ## PSUs
-Powersupplies. Can be a simple cube or can be defined by a list of six faces, each with thickness, holes, cutouts, etc.
+Power supplies. Can be a simple cube or can be defined by a list of six faces, each with thickness, holes, cutouts, etc.
 
 Face order is bottom, top, left, right, front, back.
 
@@ -2795,7 +2800,7 @@ Timing belt pulleys, both toothed and plain with internal bearings for idlers.
 | `pulley_hub_length(type)` | Hub length |
 | `pulley_od(type)` | Outer diameter |
 | `pulley_screw(type)` | Grub screw type |
-| `pulley_screw_length(type)` | Grup screw length |
+| `pulley_screw_length(type)` | Grub screw length |
 | `pulley_screw_z(type)` | Grub screw position |
 | `pulley_screws(type)` | Number of grub screws |
 | `pulley_teeth(type)` | Number of teeth |
@@ -2966,7 +2971,7 @@ Ring terminals and earth assemblies for DiBond panels.
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `ring_terminal(type)` | Draw specifeid ring terminal |
+| `ring_terminal(type)` | Draw specified ring terminal |
 | `ring_terminal_assembly(type, thickness, top = false)` | Earthing assembly for DiBond twin skins |
 | `ring_terminal_hole(type, h = 0)` | Drill hole for the screw |
 
@@ -3042,7 +3047,7 @@ Rocker switch. Also used for neon indicator in the same form factor.
 ## Rod
 Steel rods and studding with chamfered ends.
 
-These items are sysmtrical, so by default the origin is in the centre but it can be changed to the bottom.
+These items are symmetrical, so by default the origin is in the centre but it can be changed to the bottom.
 
 [vitamins/rod.scad](vitamins/rod.scad) Implementation.
 
@@ -3244,7 +3249,7 @@ Shaft couplings
 ## Sheets
 Sheet materials. Rectangular with optional rounded corners. Negative radii make a chamfer.
 
-The "Soft" parameter can be used to determinesif the sheet material needs machine screws or wood screws, e.g.:
+The "Soft" parameter can be used to determine if the sheet material needs machine screws or wood screws, e.g.:
 
 * If soft, wood screws will be used, with a pilot hole.
 * If not soft, either tapped holes or a clearance hole and nuts will be used to retain screws.
@@ -3271,8 +3276,8 @@ When woven sheets (e.g. carbon fibre) are rendered it is necessary to specify th
 | `sheet_colour2(type)` | Second colour for a woven sheet |
 | `sheet_is_soft(type)` | Is soft enough for wood screws |
 | `sheet_thickness(type)` | Thickness |
-| `sheet_warp(type)` | Wovern sheet warp |
-| `sheet_weft(type)` | Wovern sheet weft |
+| `sheet_warp(type)` | Woven sheet warp |
+| `sheet_weft(type)` | Woven sheet weft |
 
 ### Functions
 | Function | Description |
@@ -4009,7 +4014,7 @@ If a washer is given a child, usually a screw or a nut, then it is placed on its
 | `spring_washer_thickness(type)` | Spring washer thickness |
 | `star_washer_diameter(type)` | Star version size |
 | `washer_diameter(type)` | External diameter |
-| `washer_size(type)` | Noiminal size |
+| `washer_size(type)` | Nominal size |
 | `washer_soft(type)` | True if rubber |
 | `washer_thickness(type)` | Thickness |
 
@@ -4317,7 +4322,7 @@ Uses [fixing blocks](#fixing_block) and [corner blocks](#corner_block).
 | Function | Description |
 |:--- |:--- |
 | `bbox(screw, sheets, base_sheet, top_sheet, span, size, name = "bbox", skip_blocks = [], star_washers = true)` | Construct the property list for a butt_box |
-| `bbox_area(type)` | Internal surdface area in m^2 |
+| `bbox_area(type)` | Internal surface area in m^2 |
 | `bbox_volume(type)` | Internal volume in litres |
 
 ### Modules
@@ -4620,7 +4625,7 @@ Rubber door [sealing strip](#sealing_strip) is used to make it airtight and a [d
 |:--- |:--- |
 | `door_hinge(door_thickness)` | Generates STL for the moving part of the hinge |
 | `door_hinge_assembly(top, door_thickness = 6)` | The moving assembly that goes on the door |
-| `door_hinge_hole_positions(dir = 0)` | Position chidren at the door hole positions |
+| `door_hinge_hole_positions(dir = 0)` | Position children at the door hole positions |
 | `door_hinge_parts_stl()` | Generates the STL for both parts of the hinge |
 | `door_hinge_stat_hole_positions(dir = 0)` | Position children over the screws holes of the stationary part |
 | `door_hinge_stat_stl()` | Generates the STL for the stationary part |
@@ -4666,7 +4671,7 @@ Door latch for 6mm acrylic door for 3D printer. See [door_hinge](#door_hinge).
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `door_latch_assembly(sheet_thickness = 3)` | The assembly for a specified sheet thickess |
+| `door_latch_assembly(sheet_thickness = 3)` | The assembly for a specified sheet thickness |
 | `door_latch_stl()` | Generates the STL for the printed part |
 
 ![door_latch](tests/png/door_latch.png)
@@ -4691,7 +4696,7 @@ Door latch for 6mm acrylic door for 3D printer. See [door_hinge](#door_hinge).
 ## Drag_chain
 Parametric cable drag chain to limit the bend radius of a cable run.
 
-Each link has a maximum bend angle of 45&deg;, so the mininium radius is proportional to the link length.
+Each link has a maximum bend angle of 45&deg;, so the minimum radius is proportional to the link length.
 
 The travel property is how far it can move in each direction, i.e. half the maximum travel if the chain is mounted in the middle of the travel.
 
@@ -4755,7 +4760,7 @@ to the assembly, for example to add inserts.
 ---
 <a name="Fan_guard"></a>
 ## Fan_guard
-Pintable fan finger guard to match the specified fan. To be `include`d, not `use`d.
+Printable fan finger guard to match the specified fan. To be `include`d, not `use`d.
 
 The ring spacing as well as the number of spokes can be specified, if zero a gasket is generated instead of a guard.
 
@@ -4900,7 +4905,7 @@ This allows the hinges and one set of screws to belong to one assembly and the o
 | `hinge_depth(type)` | Depth of each leaf |
 | `hinge_knuckle_dia(type)` | The knuckle diameter |
 | `hinge_knuckles(type)` | How many knuckles |
-| `hinge_margin(type)` | How far to keep the screws from the knuckes |
+| `hinge_margin(type)` | How far to keep the screws from the knuckles |
 | `hinge_pin_dia(type)` | The pin diameter |
 | `hinge_screw(type)` | Screw type to mount it |
 | `hinge_screws(type)` | How many screws |
@@ -5348,6 +5353,7 @@ The stl and assembly must be given a name and parameterless wrappers for the stl
 | `psu_shroud_extent(type)` | How far it extends beyond the PSU to clear the connections |
 | `psu_shroud_height(type)` | Outside height |
 | `psu_shroud_screw(type)` | Screw used to fasten |
+| `psu_shroud_wall(type)` | The wall thickness |
 | `psu_shroud_width(type)` | Outside width of the shroud |
 
 ### Modules
@@ -5356,7 +5362,7 @@ The stl and assembly must be given a name and parameterless wrappers for the stl
 | `psu_shroud(type, cable_d, name, cables = 1)` | Generate the STL file for a specified ssr and cable |
 | `psu_shroud_assembly(type, cable_d, name, cables = 1)` | The printed parts with inserts fitted |
 | `psu_shroud_cable_positions(type, cable_d, cables = 1)` | Place children at the cable tie positions |
-| `psu_shroud_fastened_assembly(type, cable_d, thickness, name, cables = 1)` | Assembly with screws in place |
+| `psu_shroud_fastened_assembly(type, cable_d, thickness, name, cables = 1, screw = screw)` | Assembly with screws in place |
 | `psu_shroud_hole_positions(type)` | Place children at the screw hole positions |
 | `psu_shroud_holes(type, cable_d, cables = 1)` | Drill the screw and ziptie holes |
 
@@ -6165,7 +6171,7 @@ A sector of a circle between two angles.
 ---
 <a name="Sweep"></a>
 ## Sweep
-Utility to generate a polhedron by sweeping a 2D profile along a 3D path and utilities for generating paths.
+Utility to generate a polyhedron by sweeping a 2D profile along a 3D path and utilities for generating paths.
 
 The initial orientation is the Y axis of the profile points towards the initial center of curvature, Frenet-Serret style.
 Subsequent rotations use the minimum rotation method.
@@ -6258,7 +6264,7 @@ Simple tube or ring
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| `rectangular_tube(size, center = true, thickness = 1, fillet = 0.5)` | Create a retangular tube with filleted corners |
+| `rectangular_tube(size, center = true, thickness = 1, fillet = 0.5)` | Create a rectangular tube with filleted corners |
 | `ring(or, ir)` | Create a ring with specified external and internal radii |
 | `tube(or, ir, h, center = true)` | Create a tube with specified external and internal radii and height `h` |
 | `woven_tube(or, ir, h, center= true, colour = grey(30)` | Create a woven tube with specified external and internal radii, height `h`, colours, warp and weft |
@@ -6282,7 +6288,7 @@ Setting the `ngb` parameter of `assembly` to `true` removes its column from the
 This is to prevent the global BOM page becoming too wide in large projects by having it include just the major assemblies.
 
 The example below shows how to define a vitamin and incorporate it into an assembly with sub-assemblies and make an exploded view.
-The resulting flat BOM is shown but heirachical BOMs are also generated for real projects.
+The resulting flat BOM is shown but hierarchical BOMs are also generated for real projects.
 
 If the code to make an STL or DXF is made a child of the `stl()` or `dxf()` module then the STL or DXF will be used in the assembly views generated by `views.py` instead of generating
 it with code.
@@ -6362,7 +6368,7 @@ The `pose()` module allows assembly views in the readme to be posed differently
 ---
 <a name="Clip"></a>
 ## Clip
-Construct arbirarily large box to partition 3D space and clip objects, useful for creating cross sections to see the inside when debugging.
+Construct arbitrarily large box to partition 3D space and clip objects, useful for creating cross sections to see the inside when debugging.
 
 Original version by Doug Moen on the OpenSCAD forum
 
@@ -6440,7 +6446,7 @@ This can be used to mitigate the number of sides being small and make small hole
 large increase in the number of facets.
 When set to 1 the polygons alternate each layer, when set higher the rotation takes `twist + 1` layers to repeat.
 A small additional rotation is added to make the polygon rotate one more side over the length of the hole to make it appear round when
-veiwed end on.
+viewed end on.
 
 When `twist` is set the resulting cylinder is extended by `eps` at each end so that the exact length of the hole can be used without
 leaving a scar on either surface.
@@ -6454,7 +6460,7 @@ leaving a scar on either surface.
 |:--- |:--- |
 | `corrected_diameter(d, n = undef)` | Adjusted diameter to make flats lie on the circle |
 | `corrected_radius(r, n = undef)` | Adjusted radius to make flats lie on the circle |
-| `sides(r, n = undef)` | Optimium number of sides for specified radius |
+| `sides(r, n = undef)` | Optimum number of sides for specified radius |
 
 ### Modules
 | Module | Description |

scripts/changelog.py

@@ -24,6 +24,7 @@ from __future__ import print_function
 import sys
 import subprocess
 import re
+from tests import do_cmd
 
 filename = 'CHANGELOG.md'
 
@@ -162,3 +163,4 @@ if __name__ == '__main__':
 
             if not c.comment.startswith('Merge branch') and not c.comment.startswith('Merge pull') and not re.match(r'U..ated changelog.*', 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/options.py

@@ -17,7 +17,7 @@
 # If not, see <https://www.gnu.org/licenses/>.
 #
 
-# Set command line options from enviroment variables and check if they have changed
+# Set command line options from environment variables and check if they have changed
 
 import json, os, deps
 from colorama import Fore, init

scripts/views.py

@@ -82,7 +82,7 @@ def bom_to_assemblies(bom_dir, bounds_map):
     return [assembly["name"] for  assembly in flat_bom]
 
 def eop(doc_file, last = False, first = False):
-    print('<span></span>', file = doc_file)     # An invisable marker for page breaks because markdown takes much longer if the document contains a div
+    print('<span></span>', file = doc_file)     # An invisible marker for page breaks because markdown takes much longer if the document contains a div
     if not first:
         print('[Top](#TOP)', file = doc_file)
     if not last:

tests/PCB.scad

@@ -64,21 +64,25 @@ test_pcb = ["TestPCB", "Test PCB",
         [ 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],
+        [ 28,  2,   90, "smd_cap", CAP0805, 1.0],
+        [ 31,  2,   90, "smd_cap", CAP0603, 0.7],
+
         [ 10,  10,   0, "2p54header", 4, 1],
         [ 25,  10,   0, "2p54header", 5, 1, false, "blue" ],
         [ 10,  20,   0, "2p54boxhdr", 4, 2],
         [ 10,  30,   0, "2p54socket", 6, 1],
         [ 25,  30,   0, "2p54socket", 4, 1, false, 0, false, "red" ],
-        [ 10,  40,   0, "chip", 10, 5, 1, grey(20)],
-        [  5,  50,   0, "led", LED3mm, "red"],
-        [ 12,  50,   0, "led", LED5mm, "orange"],
-        [ 25,  50,   0, "led", LED10mm, "yellow"],
-        [ 10,  65, 180, "rj45"],
-        [  8,  85, 180, "usb_A"],
+        [ 65,  50,   0, "led", LED3mm, "red"],
+        [ 75,  50,   0, "led", LED5mm, "orange"],
+        [ 90,  50,   0, "led", LED10mm, "yellow"],
+        [ 10,  45, 180, "rj45"],
+        [  8,  65, 180, "usb_A"],
         [  8, 105, 180, "usb_Ax2"],
+        [  7,  85, 180, "molex_usb_Ax1"],
+        [ 8.5,125, 180, "molex_usb_Ax2"],
         [  3, 140, 180, "usb_uA"],
         [  8, 155, 180, "usb_B"],
-        [  8.5, 125, 180, "molex_usb_Ax2"],
         [ 25, 200,   0, "buzzer", 4.5, 8.5],
         [ 25, 218,   0, "buzzer"],
         [  8, 190, 180, "jack"],
@@ -127,6 +131,8 @@ test_pcb = ["TestPCB", "Test PCB",
         [ 52, 200,   0, "pcb", 11, TMC2130 ],
         [ 80, 200,   0, "pdip", 24, "27C32", true, inch(0.6) ],
         [ 80, 170,   0, "pdip", 8, "NE555" ],
+        [ 80, 150,   0, "chip", 10, 5, 1, grey(20)],
+
         [ 52, 206,   0, "2p54socket", 8, 1 ],
         [ 52, 194,   0, "2p54socket", 8, 1, false, 0, false, "red" ],
         [ 50, 220,   0, "standoff",  5, 4.5, 12.5, 2.54],

utils/core/bom.scad

@@ -29,7 +29,7 @@
 //! This is to prevent the global BOM page becoming too wide in large projects by having it include just the major assemblies.
 //!
 //! The example below shows how to define a vitamin and incorporate it into an assembly with sub-assemblies and make an exploded view.
-//! The resulting flat BOM is shown but heirachical BOMs are also generated for real projects.
+//! The resulting flat BOM is shown but hierarchical BOMs are also generated for real projects.
 //!
 //! If the code to make an STL or DXF is made a child of the `stl()` or `dxf()` module then the STL or DXF will be used in the assembly views generated by `views.py` instead of generating
 //! it with code.

utils/core/clip.scad

@@ -18,7 +18,7 @@
 //
 
 //
-//! Construct arbirarily large box to partition 3D space and clip objects, useful for creating cross sections to see the inside when debugging.
+//! Construct arbitrarily large box to partition 3D space and clip objects, useful for creating cross sections to see the inside when debugging.
 //!
 //! Original version by Doug Moen on the OpenSCAD forum
 //

utils/core/polyholes.scad

@@ -28,12 +28,12 @@
 //! large increase in the number of facets.
 //! When set to 1 the polygons alternate each layer, when set higher the rotation takes `twist + 1` layers to repeat.
 //! A small additional rotation is added to make the polygon rotate one more side over the length of the hole to make it appear round when
-//! veiwed end on.
+//! viewed end on.
 //!
 //! When `twist` is set the resulting cylinder is extended by `eps` at each end so that the exact length of the hole can be used without
 //! leaving a scar on either surface.
 //
-function sides(r, n = undef) = is_undef(n) ? max(round(4 * r), 3) : n ? max(n, 3) : r2sides(r); //! Optimium number of sides for specified radius
+function sides(r, n = undef) = is_undef(n) ? max(round(4 * r), 3) : n ? max(n, 3) : r2sides(r); //! Optimum number of sides for specified radius
 function corrected_radius(r, n = undef)   = r / cos(180 / sides(r, n));                         //! Adjusted radius to make flats lie on the circle
 function corrected_diameter(d, n = undef) = 2 * corrected_radius(d / 2 , n);                    //! Adjusted diameter to make flats lie on the circle
 

utils/core/teardrops.scad

@@ -26,7 +26,7 @@
 //
 module teardrop(h, r, center = true, truncate = true, chamfer = 0, chamfer_both_ends = true, plus = false) { //! For making horizontal holes that don't need support material, set `truncate = false` to make traditional RepRap teardrops that don't even need bridging
     module teardrop_2d(r, truncate) {
-        er = layer_height / 2 - eps;    // Extrustion edge radius
+        er = layer_height / 2 - eps;    // Extrusion edge radius
         R = plus ? r + er : r;          // Corrected radius
         offset = plus ? -er : 0;        // Offset inwards
         hull()

utils/gears.scad

@@ -135,4 +135,4 @@ function involute_worm_profile(m, pa = 20, clearance = undef) = //! Calculate wo
     let(tooth = involute_rack_tooth_profile(m),
         pitch = PI * m,
         y_min = min([for(p = tooth) p.y])
-    ) [for(p = tooth) [p.x - pitch / 2, p.y - y_min, 0]];   // Offset to be positive in y, centred in x and add 0 z ordintate
+    ) [for(p = tooth) [p.x - pitch / 2, p.y - y_min, 0]];   // Offset to be positive in y, centred in x and add 0 z coordinate

utils/sweep.scad

@@ -18,7 +18,7 @@
 //
 
 //
-//! Utility to generate a polhedron by sweeping a 2D profile along a 3D path and utilities for generating paths.
+//! Utility to generate a polyhedron by sweeping a 2D profile along a 3D path and utilities for generating paths.
 //!
 //! The initial orientation is the Y axis of the profile points towards the initial center of curvature, Frenet-Serret style.
 //! Subsequent rotations use the minimum rotation method.

utils/tube.scad

@@ -69,7 +69,7 @@ module woven_tube(or, ir, h, center= true, colour = grey(30), colour2, warp = 2,
     }
 }
 
-module rectangular_tube(size, center = true, thickness = 1, fillet = 0.5) { //! Create a retangular tube with filleted corners
+module rectangular_tube(size, center = true, thickness = 1, fillet = 0.5) { //! Create a rectangular tube with filleted corners
     extrude_if(size.z, center = center)
         difference() {
             rounded_square([size.x, size.y], fillet);

vitamins/belt.scad

@@ -19,21 +19,21 @@
 
 //
 //! Models timing belt running in a path over toothed or smooth pulleys and calculates an accurate length.
-//! Only models 2D paths, belt may twist to support crossed belt core XY and other designes where the belt twists!
+//! Only models 2D paths, belt may twist to support crossed belt core XY and other designs where the belt twists!
 //!
 //! By default the path is a closed loop. An open loop can be specified by specifying `open=true`, and in that case the start and end points are not connected, leaving the loop open.
 //!
 //! To get a 180 degree twist of the loop, you can use the `twist` argument. `Twist` can be a single number, and in that case the belt will twist after
 //! the position with that number. Alternatively `twist` can be a list of boolean values with a boolean for each position; the belt will then twist after
 //! the position that have a `true` value in the `twist` list. If the path is specified with pulley/idler types, then you can use `auto_twist=true`; in
-//! that case the belt will automatically twist so the back of the belt always runs against idlers and the tooth side runs against pullies. If you use
+//! that case the belt will automatically twist so the back of the belt always runs against idlers and the tooth side runs against pulleys. If you use
 //! `open=true` then you might also use `start_twist=true` to let the belt start the part with the back side out.
 //!
-//! The path must be specified as a list of positions. Each position should be either a vector with `[x, y, pulley]` or `[x, y, r]`. A pully is a type from
+//! The path must be specified as a list of positions. Each position should be either a vector with `[x, y, pulley]` or `[x, y, r]`. A pulley is a type from
 //! `pulleys.scad`, and correct radius and angle will automatically be calculated. Alternatively a radius can be specified directly.
 //!
 //! To make the back of the belt run against a smooth pulley on the outside of the loop specify a negative pitch radius.
-//! Alternativley you can just specify smooth pulleys in the path, and it will then happen automatically.
+//! Alternatively you can just specify smooth pulleys in the path, and it will then happen automatically.
 //!
 //! Individual teeth are not drawn, instead they are represented by a lighter colour.
 //
@@ -60,7 +60,7 @@ module belt(type, points, belt_colour = grey(20), tooth_colour = grey(50), open
     info = _belt_points_info(type, points, open, twist, auto_twist, start_twist);
     dotwist = info[0]; // array of booleans, true if a twist happen after the position
     twisted = info[1]; // array of booleans, true if the belt is twisted at the position
-    pointsx = info[2]; // array of [x,y,r], r is negative if left-angle (points may have pulleys as third element, but pointsx have radi)
+    pointsx = info[2]; // array of [x,y,r], r is negative if left-angle (points may have pulleys as third element, but pointsx have radii)
     tangents = info[3];
     arcs = info[4];
     length = ceil(_belt_length(info, open) / pitch) * pitch;

vitamins/bldc_motor.scad

@@ -226,19 +226,21 @@ module BLDC(type) { //! Draw specified BLDC motor
                 translate_z(height)
                     tube(or = BLDC_boss_diameter(type)/2, ir = BLDC_shaft_diameter(type)/2, h = BLDC_boss_height(type), center = false);
 
+        } // end colour
+
+        color(BLDC_prop_shaft_thread_length(type) == 0 ? bldc_shaft_colour : body_colour)
             if (BLDC_prop_shaft_diameter(type))
                 translate_z(height + BLDC_boss_height(type)) {
                     thread_diameter = BLDC_prop_shaft_thread_diameter(type);
                     unthreaded_length = BLDC_prop_shaft_length(type) - BLDC_prop_shaft_thread_length(type);
                     cylinder(d=BLDC_prop_shaft_diameter(type), h = unthreaded_length);
-                    translate_z(unthreaded_length)
-                        if (show_threads)
-                            male_metric_thread(thread_diameter, metric_coarse_pitch(thread_diameter), BLDC_prop_shaft_thread_length(type), center = false);
-                        else
-                            cylinder(d = thread_diameter, h = BLDC_prop_shaft_thread_length(type));
+                    if (BLDC_prop_shaft_thread_length(type) > 0)
+                        translate_z(unthreaded_length)
+                            if (show_threads)
+                                male_metric_thread(thread_diameter, metric_coarse_pitch(thread_diameter), BLDC_prop_shaft_thread_length(type), center = false);
+                            else
+                                cylinder(d = thread_diameter, h = BLDC_prop_shaft_thread_length(type));
                 }
-        } // end colour
-
         color(side_colour)
             translate_z(height - h2 - h1  -side_length)
                 tube(body_diameter/2, body_diameter/2 - wall_thickness, side_length, center = false);

vitamins/cable_strip.scad

@@ -20,7 +20,7 @@
 //
 //! A strip of polypropylene used with ribbon cable to make a cable flexible in one direction only.
 //!
-//! Modelled with a Bezier spline, which is not quite the same as a minimum energy curve but very close, epecially
+//! Modelled with a Bezier spline, which is not quite the same as a minimum energy curve but very close, especially
 //! near the extreme positions, where the model needs to be accurate.
 //!
 //! When the sides are constrained then a circular model is more accurate.

vitamins/camera.scad

@@ -25,7 +25,7 @@ use <pcb.scad>
 
 function camera_pcb(type)           = type[2]; //! The PCB part of the camera
 function camera_lens_offset(type)   = type[3]; //! Offset of the lens center from the PCB centre
-function camera_lens(type)          = type[4]; //! Stack of lens parts, can be round, rectanular or rounded rectangular, with optional tapered aperture
+function camera_lens(type)          = type[4]; //! Stack of lens parts, can be round, rectangular or rounded rectangular, with optional tapered aperture
 function camera_connector_pos(type) = type[5]; //! The flex connector block for the camera itself's position
 function camera_connector_size(type)= type[6]; //! The flex connector block for the camera itself's size
 

vitamins/display.scad

@@ -18,7 +18,7 @@
 //
 
 //
-//! LCD dispays.
+//! LCD displays.
 //
 include <../utils/core/core.scad>
 

vitamins/displays.scad

@@ -53,7 +53,7 @@ LCDS7282BPCB = ["", "", 85, 36, 1.65, 0, 2.56, 0, "green", false, [[-2.5, -2.5],
       []];
 
 LCDS7282B = ["LCDS7282B", "LCD display S-7282B", 73.6, 28.7, 9.6, LCDS7282BPCB,
-          [-2.5, 0, 0],                             // pcb offst
+          [-2.5, 0, 0],                             // pcb offset
           [[-64.5 / 2, -14.5 / 2], [64.5 / 2, 14.5 / 2, 0.6]],              // aperture
           [],                                       // touch screen
           0,                                        // thread length

vitamins/light_strip.scad

@@ -21,7 +21,7 @@
 //! LED strip lights that can be cut to size.
 //!
 //! The definitions are for the full length but they can be cut to size by specifying how many segments,
-//! which can by calcuated using `light_strip_segments(type, max_length)`.
+//! which can by calculated using `light_strip_segments(type, max_length)`.
 //!
 //! The `light_strip_clip()` module makes a clip to go around the light that can be incorporated into a printed bracket to hold it.
 //

vitamins/opengrab.scad

@@ -18,9 +18,9 @@
 //
 
 //
-//! Nicodrone OpenGrab V3 electro-permananet magnet, see <https://nicadrone.com/products/epm-v3>.
+//! Nicodrone OpenGrab V3 electro-permanent magnet, see <https://nicadrone.com/products/epm-v3>.
 //!
-//! A permanent magnet that can be magnatized and de-magnatized electronically.
+//! A permanent magnet that can be magnetized and de-magnetized electronically.
 //
 include <../utils/core/core.scad>
 use <../utils/thread.scad>

vitamins/panel_meter.scad

@@ -23,7 +23,7 @@
 //! Notes on the DSN_VC288:
 //!
 //! * The tabs aren't modelled because they can be fully retracted if the PCB is removed.
-//! * The current connector isn't moddelled as it is awkwardly tall. I remove it and solder wires instead.
+//! * The current connector isn't modelled as it is awkwardly tall. I remove it and solder wires instead.
 //
 include <../utils/core/core.scad>
 

vitamins/pcb.scad

@@ -45,7 +45,7 @@ function pcb_thickness(type)    = type[4];  //! Thickness
 function pcb_radius(type)       = type[5];  //! Corner radius
 function pcb_hole_d(type)       = type[6];  //! Mounting hole diameter
 function pcb_land_d(type)       = type[7];  //! Pad around mounting hole
-function pcb_colour(type)       = type[8];  //! Colour of the subtrate
+function pcb_colour(type)       = type[8];  //! Colour of the substrate
 function pcb_parts_on_bom(type) = type[9];  //! True if the parts should be separate BOM items
 function pcb_holes(type)        = type[10]; //! List of hole positions
 function pcb_components(type)   = type[11]; //! List of components
@@ -72,7 +72,7 @@ function pcb_coord(type, p) = let(l = pcb_length(type), w = pcb_width(type)) //!
     [(p.x >= 0 ? p.x : l + p.x) - l / 2,
      (p.y >= 0 ? p.y : w + p.y) - w / 2];
 
-module pcb_hole_positions(type, all = true) { // Positition children at the hole positions, including holes not used for screws
+module pcb_hole_positions(type, all = true) { // Position children at the hole positions, including holes not used for screws
     holes = pcb_holes(type);
 
     for($i = [0 : 1 : len(holes) - 1]) {
@@ -161,7 +161,7 @@ module usb_A(h, v_flange_l, bar, cutout) {
             }
 }
 
-module molex_usb_Ax2(cutout) { //! Draw Molex USB connector suitable for perf board
+module molex_usb_Ax2(cutout) { //! Draw Molex dual USB A connector suitable for perf board
     w = 15.9;
     h = 16.6;
     l = 17;
@@ -221,6 +221,63 @@ module molex_usb_Ax2(cutout) { //! Draw Molex USB connector suitable for perf bo
     }
 }
 
+module molex_usb_Ax1(cutout) { //! Draw Molex USB A connector suitable for perf board
+    w = 15.3;
+    h = 7.7;
+    l = 14.5;
+    pin_l = 2.8;
+    clearance = 0.2;
+    tag_l = 4.4;
+    tag_r = 0.5;
+    tag_w = 1.5;
+    tag_t = 0.3;
+
+    if(cutout)
+        translate([0, -w / 2 - clearance, -clearance])
+            cube([100, w + 2 * clearance, h + 2 * clearance]);
+    else {
+        color(silver)
+            translate([-l / 2, 0])
+                rotate([90, 0, 90])
+                    translate([-w / 2, 0]) {
+                        cube([w, h, l - 9]);
+
+                        linear_extrude(l)
+                            difference() {
+                                square([w, h]);
+
+                                 translate([w / 2, h / 2])
+                                    square([12.6, 5.08], center = true);
+                            }
+                    }
+
+        translate([-1.5, 0, h / 2])
+            usb_A_tongue();
+
+        color(silver)
+            rotate(-90) {
+                for(x = [-1.5 : 1 : 1.5])
+                    translate([inch(x / 10), - l / 2 + inch(0.05)])
+                        hull() {
+                            cube([0.6, 0.3, 2 * pin_l - 2], center = true);
+
+                            cube([0.4, 0.3, 2 * pin_l], center = true);
+                        }
+
+                for(side = [-1, 1])
+                    translate([side * w / 2, -l / 2 + 4.2])
+                        rotate(-side * 90)
+                            hull() {
+                                translate([0, tag_l - tag_r])
+                                    cylinder(r = tag_r, h = tag_t);
+
+                                translate([-tag_w / 2, 0])
+                                    cube([tag_w, eps, tag_t]);
+                            }
+            }
+    }
+}
+
 module rj45(cutout = false) { //! Draw RJ45 Ethernet connector
     l = 21;
     w = 16;
@@ -939,6 +996,7 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
         if(show(comp, "uSD"))           uSD(comp[4], cutouts);
         if(show(comp, "trimpot10"))     trimpot10(param(4, false), cutouts);
         if(show(comp, "molex_usb_Ax2")) molex_usb_Ax2(cutouts);
+        if(show(comp, "molex_usb_Ax1")) molex_usb_Ax1(cutouts);
         if(show(comp, "smd_led"))       smd_led(comp[4], comp[5], cutouts);
         if(show(comp, "block"))         block(size = [comp[4], comp[5], comp[6]], colour = comp[7], makes_cutout = param(8));
         if(!cutouts) {
@@ -1078,7 +1136,8 @@ module pcb(type) { //! Draw specified PCB
 
     fr4 = pcb_colour(type) != "sienna";
     pcb_colour = pcb_colour(type);
-    color(pcb_colour == "green" ? silver : pcb_colour == "sienna" ? copper : gold)
+    plating_colour = is_undef(grid[4]) ? ((pcb_colour == "green" || pcb_colour == "#2140BE") ? silver : pcb_colour == "sienna" ? copper : gold) : grid[4];
+    color(plating_colour)
         translate_z(-plating)
             linear_extrude(fr4 ? t + 2 * plating : plating)
                 if(Len(grid)) {

vitamins/psu.scad

@@ -18,7 +18,7 @@
 //
 
 //
-//! Powersupplies. Can be a simple cube or can be defined by a list of six faces, each with thickness, holes, cutouts, etc.
+//! Power supplies. Can be a simple cube or can be defined by a list of six faces, each with thickness, holes, cutouts, etc.
 //!
 //! Face order is bottom, top, left, right, front, back.
 //
@@ -246,7 +246,7 @@ module psu(type) { //! Draw a power supply
                 }
         }
     }
-    // Special case for lighting type PSUs with teminals at the end
+    // Special case for lighting type PSUs with terminals at the end
     terminals = psu_terminals(type);
     if(terminals) {
         ft = psu_face_thickness(faces[f_front]);

vitamins/psus.scad

@@ -114,7 +114,7 @@ S_300_12 = [
         [// f_top, top
             [],// holes
             0.5,// thickness
-            [],// coutouts
+            [],// cutouts
             false,// grill
             [215/2 - 47.5, 115/2 - 37.5, fan50x15],
             [],//iec

vitamins/pulley.scad

@@ -36,7 +36,7 @@ function pulley_hub_length(type)       = type[7];  //! Hub length
 function pulley_bore(type)             = type[8];  //! Bore diameter for shaft
 function pulley_flange_dia(type)       = type[9];  //! Flange diameter
 function pulley_flange_thickness(type) = type[10]; //! Flange thickness
-function pulley_screw_length(type)     = type[11]; //! Grup screw length
+function pulley_screw_length(type)     = type[11]; //! Grub screw length
 function pulley_screw_z(type)          = type[12]; //! Grub screw position
 function pulley_screw(type)            = type[13]; //! Grub screw type
 function pulley_screws(type)           = type[14]; //! Number of grub screws

vitamins/ring_terminal.scad

@@ -36,7 +36,7 @@ function ringterm_screw(type)        = type[7];    //! Screw type
 function ringterm_crimp_length(type) = type[8];    //! If non-zero the length of the crimp tube
 function ringterm_extent(type)    = ringterm_length(type) / sqrt(2); //! Space to leave
 
-module ring_terminal(type) { //! Draw specifeid ring terminal
+module ring_terminal(type) { //! Draw specified ring terminal
     screw = ringterm_screw(type);
     d = 2 * screw_radius(screw);
     crimp = ringterm_crimp_length(type);

vitamins/rod.scad

@@ -20,7 +20,7 @@
 //
 //! Steel rods and studding with chamfered ends.
 //!
-//! These items are sysmtrical, so by default the origin is in the centre but it can be changed to the bottom.
+//! These items are symmetrical, so by default the origin is in the centre but it can be changed to the bottom.
 //
 include <../utils/core/core.scad>
 use <../utils/thread.scad>

vitamins/sheet.scad

@@ -20,7 +20,7 @@
 //
 //! Sheet materials. Rectangular with optional rounded corners. Negative radii make a chamfer.
 //!
-//! The "Soft" parameter can be used to determinesif the sheet material needs machine screws or wood screws, e.g.:
+//! The "Soft" parameter can be used to determine if the sheet material needs machine screws or wood screws, e.g.:
 //!
 //! * If soft, wood screws will be used, with a pilot hole.
 //! * If not soft, either tapped holes or a clearance hole and nuts will be used to retain screws.
@@ -40,8 +40,8 @@ function sheet_thickness(type) = type[2]; //! Thickness
 function sheet_colour(type)    = type[3]; //! Colour
 function sheet_is_soft(type)   = type[4]; //! Is soft enough for wood screws
 function sheet_is_woven(type)  = !is_undef(type[5]); //! Is a woven sheet, eg carbon fiber
-function sheet_warp(type)      = type[5]; //! Wovern sheet warp
-function sheet_weft(type)      = type[6]; //! Wovern sheet weft
+function sheet_warp(type)      = type[5]; //! Woven sheet warp
+function sheet_weft(type)      = type[6]; //! Woven sheet weft
 function sheet_colour2(type)   = type[7]; //! Second colour for a woven sheet
 
 module corner(r) {

vitamins/washer.scad

@@ -29,7 +29,7 @@ soft_washer_colour = grey(20);
 hard_washer_colour = grey(80);
 star_washer_colour = brass;
 
-function washer_size(type)            = type[1]; //! Noiminal size
+function washer_size(type)            = type[1]; //! Nominal size
 function washer_diameter(type)        = type[2]; //! External diameter
 function washer_thickness(type)       = type[3]; //! Thickness
 function washer_soft(type)            = type[4]; //! True if rubber

vitamins/ziptie.scad

@@ -35,7 +35,7 @@ module ziptie(type, r = 5, t = 0) //! Draw specified ziptie wrapped around radiu
     latch = ziptie_latch(type);
     lx = latch.x / 2;
     zt = ziptie_thickness(type);
-    cr = zt;                        // sharp corner raduus
+    cr = zt;                        // sharp corner radius
     z = r + t - cr;
     x = r - cr;
     inside_corners  = t ? [ [0, 0, r],      [-x, z, cr],      [x, z, cr]      ] : [];