Added pot_nut() module to draw potentiometer nuts and washers.

Now correctly shows the screw in the squeezed position.

CHANGELOG.md

@@ -3,6 +3,50 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+#### [v17.0.1](https://github.com/nophead/NopSCADlib/releases/tag/v17.0.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v17.0.0...v17.0.1 "diff with v17.0.0")
+*   2021-10-01 [`38c973b`](https://github.com/nophead/NopSCADlib/commit/38c973b316a853fcbef3ccb857d99404a772d9dd "show commit") [C.P.](# "Chris Palmer") FR4 veroboard made the correct colour.
+veroboard track cuts made slightly bigger.
+
+*   2021-10-01 [`042d809`](https://github.com/nophead/NopSCADlib/commit/042d809ed056ba55c32f1d850b81dcf559fe9134 "show commit") [C.P.](# "Chris Palmer") Resistor and thermistor wires made more round.
+
+*   2021-10-01 [`3864839`](https://github.com/nophead/NopSCADlib/commit/3864839e521eb64189cba8453ea8835d6ffadd75 "show commit") [C.P.](# "Chris Palmer") Fixed encoder breakout descripion typo.
+
+*   2021-10-01 [`2ba2c2c`](https://github.com/nophead/NopSCADlib/commit/2ba2c2c115d4ab6c2371c662a3e54d7c77aa7785 "show commit") [C.P.](# "Chris Palmer") Removed some unused dependencies.
+
+## [v17.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v17.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v16.2.0...v17.0.0 "diff with v16.2.0")
+*   2021-09-28 [`a5c4bf0`](https://github.com/nophead/NopSCADlib/commit/a5c4bf05adbf53cb7eb113db1139b65eb616a2e0 "show commit") [M.B.](# "Martin Budden") Added hot end style string literals following discussion.
+
+*   2021-09-28 [`a65add6`](https://github.com/nophead/NopSCADlib/commit/a65add65acdfeb97a657e03b9398d5376f497e85 "show commit") [M.B.](# "Martin Budden") Removed hotend global enums.
+
+### [v16.2.0](https://github.com/nophead/NopSCADlib/releases/tag/v16.2.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v16.1.0...v16.2.0 "diff with v16.1.0")
+*   2021-09-29 [`bab4c8e`](https://github.com/nophead/NopSCADlib/commit/bab4c8e8afcc9e96ada5ae8d7636f3f203c36a2c "show commit") [C.P.](# "Chris Palmer") `TO247_size()` now also returns lead height and the length of the wide bit.
+TO247 leads fixed at 3.
+Lead length removed from TO220 and TO247 vitamin string.
+
+### [v16.1.0](https://github.com/nophead/NopSCADlib/releases/tag/v16.1.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v16.0.3...v16.1.0 "diff with v16.0.3")
+*   2021-09-27 [`f16f7dd`](https://github.com/nophead/NopSCADlib/commit/f16f7ddb0943469a4e9aeb2aec9e6fc9e418c2dc "show commit") [C.P.](# "Chris Palmer") Images reverted to last OpenSCAD release versions.
+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()`.
+
+*   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.
+
+*   2021-09-27 [`c37373c`](https://github.com/nophead/NopSCADlib/commit/c37373c920d3b438895ef535b0c06d0d00675609 "show commit") [C.P.](# "Chris Palmer") Added `TO247()` and `TO247_size()` to `component.scad`.
+
+*   2021-09-27 [`700f5a2`](https://github.com/nophead/NopSCADlib/commit/700f5a2205173e12fad42df2f57d2c105608204e "show commit") [C.P.](# "Chris Palmer") `fanguard()` can now be made without screw holes to get just the grill.
+
+*   2021-09-27 [`4993c3e`](https://github.com/nophead/NopSCADlib/commit/4993c3e82deffd933a81e39b670bb14886790b5f "show commit") [C.P.](# "Chris Palmer") Module blurb parenthesis parsing is now greedy to handle args that default to function calls.
+This means that library modules cannot be one liners.
+
+*   2021-09-26 [`c6b280f`](https://github.com/nophead/NopSCADlib/commit/c6b280f0e8d6780394bf63fc7efa9c1075589abe "show commit") [C.P.](# "Chris Palmer") `_box_assembly()` fix for corners `=` 0.
+
+*   2021-09-26 [`6012787`](https://github.com/nophead/NopSCADlib/commit/601278778147c66288049b768be291c714fde6e0 "show commit") [C.P.](# "Chris Palmer") Added `jack_4mm_plastic()`.
+
+*   2021-09-26 [`30db660`](https://github.com/nophead/NopSCADlib/commit/30db66034c7fedf0f07b542908a07f73efd9dc08 "show commit") [C.P.](# "Chris Palmer") `Rounded_polygons` are now generated by a function returning a point list.
+The module version simply passes this to polygon.
+The arcs now sections of a `circle4n()` rather than a `circle()`.
+
 #### [v16.0.3](https://github.com/nophead/NopSCADlib/releases/tag/v16.0.3 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v16.0.2...v16.0.3 "diff with v16.0.2")
 *   2021-09-16 [`f6aa3b3`](https://github.com/nophead/NopSCADlib/commit/f6aa3b342650062cd8947aa36e2ae93242752d4b "show commit") [C.P.](# "Chris Palmer") `fuseholder_hole()` now makes a `poly_hole` when `cnc_bit_r` is 0.
 

gallery/readme.md

@@ -25,6 +25,11 @@ WiFi controllable PSU
 
 ![](IOT_50V_PSU.png)
 
+## IOT LOAD
+WiFi controllable programmable load
+
+![](IOT_LOAD.png)
+
 ## Lab ATX PSU
 Bench power supply built around an ATX PSU.
 
@@ -65,6 +70,16 @@ Mains isolated and variable supply with metering.
 
 
 
+## PSU Cover
+A base and shroud to make PSU safe to sit on a desk
+
+![](PSU_cover.png)
+
+## PotBox
+Potentiometer box with course and fine controls and three 4mm binding posts
+
+![](PotBox.png)
+
 ## SunBot
 A solar tracker to keep a solar panel pointing at the sun.
 

global_defs.scad

@@ -73,11 +73,6 @@ hs_grub   = 4;     // pulley set screw
 hs_cs_cap = 5;
 hs_dome   = 6;
 //
-// Hot end descriptions
-//
-jhead   = 1;
-e3d     = 2;
-//
 // Face enumeration
 //
 f_bottom = 0;

printed/box.scad

@@ -31,9 +31,11 @@
 //!
 //! Normally the side sheets are the same type but they can be overridden individually as long as the substitute has the same thickness.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
 use <../vitamins/sheet.scad>
 use <../vitamins/insert.scad>
+use <../vitamins/screw.scad>
+use <../vitamins/washer.scad>
 use <../utils/quadrant.scad>
 use <../utils/round.scad>
 
@@ -52,8 +54,8 @@ function box_width(type)       = type[7]; //! Internal width
 function box_depth(type)       = type[8]; //! Internal depth
 function box_height(type)      = type[9]; //! Internal height
 
-function box(screw, wall, sheets, top_sheet, base_sheet, size, feet = false, shelf_screw = M3_dome_screw) = //! Construct a property list for a box.
- concat([screw, shelf_screw, wall, sheets, top_sheet, base_sheet, feet], size);
+function box(screw, wall, sheets, top_sheet, base_sheet, size, feet = false, shelf_screw = undef) = //! Construct a property list for a box.
+ concat([screw, is_undef(shelf_screw) ? screw : shelf_screw, wall, sheets, top_sheet, base_sheet, feet], size);
 
 function box_bezel_clearance(type) = bezel_clearance;
 

printed/foot.scad

@@ -67,18 +67,18 @@ module foot(type = foot) { //! Generate STL
         }
 }
 
-module foot_assembly(t = 0, type = foot, flip = false) { //! Assembly with fasteners in place for specified sheet thickness
+module foot_assembly(t = 0, type = foot, flip = false, no_washer = false) { //! Assembly with fasteners in place for specified sheet thickness
     screw = foot_screw(type);
     nut = screw_nut(screw);
     squeeze = 0.5;
-    screw_length = screw_length(screw, foot_thickness(type) + t - squeeze, 2, nyloc = true);
+    screw_length = screw_length(screw, foot_thickness(type) + t - squeeze, no_washer ? 1 : 2, nyloc = true);
 
     vflip() explode(15, true) {
         stl_colour(pp4_colour) foot(type);
 
         if(t)
             explode(15, true)
-                translate_z(foot_thickness(type))
+                translate_z(foot_thickness(type) - squeeze)
                     if(flip)
                         nut_and_washer(nut, true);
                     else
@@ -87,9 +87,15 @@ module foot_assembly(t = 0, type = foot, flip = false) { //! Assembly with faste
     if(t)
         translate_z(t)
             if(flip)
-                screw_and_washer(screw, screw_length);
+                if(no_washer)
+                    screw(screw, screw_length);
+                else
+                    screw_and_washer(screw, screw_length);
             else
-                nut_and_washer(nut, true);
+                if(no_washer)
+                    nut(nut, true);
+                else
+                    nut_and_washer(nut, true);
 }
 
 module insert_foot(type = insert_foot) { //! Generate STL for foot with insert

printed/press_fit.scad

@@ -22,7 +22,7 @@
 //!
 //! Add solvent or glue to make a permanent fixture.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
 
 interference = 0.0;
 

printed/printed_box.scad

@@ -26,7 +26,9 @@
 //!
 //! It can also have printed feet on the base with the screws doubling up to hold the base on.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
+use <../vitamins/screw.scad>
+use <../vitamins/washer.scad>
 use <../vitamins/insert.scad>
 use <foot.scad>
 

printed/printed_pulleys.scad

@@ -21,8 +21,8 @@
 //! Creative Commons - Attribution - Share Alike license (see <https://creativecommons.org/licenses/by-sa/3.0/>)
 //
 
-include <../core.scad>
-include <../vitamins/pulleys.scad>
+include <../utils/core/core.scad>
+use <../vitamins/pulley.scad>
 
 printed_pulley_GT2_profile = [[0.747183,-0.5],[0.747183,0],[0.647876,0.037218],[0.598311,0.130528],[0.578556,0.238423],[0.547158,0.343077],[0.504649,0.443762],[0.451556,0.53975],[0.358229,0.636924],[0.2484,0.707276],[0.127259,0.750044],[0,0.76447],[-0.127259,0.750044],[-0.2484,0.707276],[-0.358229,0.636924],[-0.451556,0.53975],[-0.504797,0.443762],[-0.547291,0.343077],[-0.578605,0.238423],[-0.598311,0.130528],[-0.648009,0.037218],[-0.747183,0],[-0.747183,-0.5]];
 

readme.md

@@ -785,7 +785,7 @@ Various electronic components used in hot ends and heated beds.
 | Function | Description |
 |:--- |:--- |
 | `TO220_thickness()` | Thickness of the tab of a TO220 |
-| `TO247_size()` | Body dimensions of a T247 and the hole offset |
+| `TO247_size()` | Body dimensions of a T247, hole offset, lead height and lead wide length |
 | `fack2spm_bezel_size()` | FACK2SPM Bezel dimensions |
 | `fack2spm_screw()` | Screw type for FACK2SPM |
 
@@ -793,7 +793,7 @@ Various electronic components used in hot ends and heated beds.
 | Module | Description |
 |:--- |:--- |
 | ` TO220(description, leads = 3, lead_length = 16)` | Draw a TO220 package, use `description` to describe what it is |
-| ` TO247(description, leads = 3, lead_length = 20)` | Draw a TO247 package, use `description` to describe what it is |
+| ` TO247(description, lead_length = 20)` | Draw a TO247 package, use `description` to describe what it is |
 | `al_clad_resistor(type, value, leads = true)` | Draw an aluminium clad resistor |
 | `al_clad_resistor_hole_positions(type)` | Position children at the screw holes of an aluminium clad resistor |
 | `al_clad_resistor_holes(type, h = 100)` | Drill screw holes for an aluminium clad resistor |
@@ -814,7 +814,7 @@ Various electronic components used in hot ends and heated beds.
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
 |   1 | `TO220("Generic TO220 package")` |  Generic TO220 package |
-|   1 | `TO247("Generic TO247 package", lead_length = 20)` |  Generic TO247 package |
+|   1 | `TO247("Generic TO247 package")` |  Generic TO247 package |
 |   8 | `tubing(HSHRNK32)` |  Heatshrink sleeving ID 3.2mm x 15mm |
 |   1 | `resistor(RWM04106R80J)` |  Resistor RWM04106R80J 6R8 3W vitreous enamel |
 |   1 | `resistor(RIE1212UB5C5R6)` |  Resistor UB5C 5R6F 5R6 3W vitreous enamel |
@@ -2543,7 +2543,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(ESP32_DOIT_V1)` |  ESP32 DOIT DEV KIT V1 |
 |   1 | `pcb(EnviroPlus)` |  Enviro+ |
 |   1 | `pcb(ExtruderPCB)` |  Extruder connection PCB - not shown |
-|   1 | `pcb(KY_040)` |  KY_-040 rotart encoder breakout |
+|   1 | `pcb(KY_040)` |  KY-040 rotart encoder breakout |
 |   1 | `pcb(Keyes5p1)` |  Keyes5.1 Arduino Uno expansion board - not shown |
 |   1 | `pcb(LIPO_fuel_gauge)` |  LIPO fuel gauge |
 |   1 | `pcb(MP1584EN)` |  MP1584EN 3A buck converter |
@@ -2799,6 +2799,7 @@ Potentiometers and rotary encoders
 | `pot_face(type)` | Faceplate rib width, plate depth and plate height |
 | `pot_gangs(type)` | Number of gangs for mult-gang pot |
 | `pot_neck(type)` | Diameter and length of the shaft neck |
+| `pot_nut(type)` | Across flat diameter and thickness of the nut |
 | `pot_shaft(type)` | Diameter, flat diameter, length and flat/slot length and colour. If flat diameter is less than the radius then it is a slot width |
 | `pot_spigot(type)` | Spigot width, length and height above the boss |
 | `pot_spigot_x(type)` | Spigot offset from the shaft centre |
@@ -2806,16 +2807,18 @@ Potentiometers and rotary encoders
 | `pot_thread_h(type)` | Height of threaded part |
 | `pot_thread_p(type)` | Thread pritch |
 | `pot_wafer(type)` | Width, diameter and thickness of the track wafer plus true if curved |
+| `pot_washer(type)` | Outside diameter and thickness of the washer |
 
 ### Functions
 | Function | Description |
 |:--- |:--- |
 | `pot_size(type)` | Get pot body dimensions |
-| `pot_z(type)` | Ideal distance behind panel surface to get the nut on comfortably |
+| `pot_z(type, washer = true)` | Ideal distance behind panel surface to get the nut and washer on comfortably |
 
 ### Modules
 | Module | Description |
 |:--- |:--- |
+| `pot_nut(type, washer = true)` | Draw the nut for a potentiometer and possibly a washer |
 | `potentiometer(type, thickness = 3, shaft_length = undef)` | Draw a potentiometer with nut spaced by specified thickness |
 
 ![potentiometers](tests/png/potentiometers.png)
@@ -4410,7 +4413,7 @@ Normally the side sheets are the same type but they can be overridden individual
 ### Functions
 | Function | Description |
 |:--- |:--- |
-| `box(screw, wall, sheets, top_sheet, base_sheet, size, feet = false, shelf_screw = M3_dome_screw)` | Construct a property list for a box. |
+| `box(screw, wall, sheets, top_sheet, base_sheet, size, feet = false, shelf_screw = undef)` | Construct a property list for a box. |
 | `box_bezel_height(type, bottom)` | Bezel height for top or bottom |
 | `box_corner_gap(type)` | Gap between box_sheets at the corners to connect inside and outside profiles |
 | `box_inset(type)` | How much the bezel intrudes on the specified width and length, away from the corners |
@@ -5189,7 +5192,7 @@ inserts don't grip well in rubber.
 |:--- |:--- |
 | `fastened_insert_foot_assembly(t = 3, type = insert_foot)` | Assembly with fasteners in place for specified sheet thickness |
 | `foot(type = foot)` | Generate STL |
-| `foot_assembly(t = 0, type = foot, flip = false)` | Assembly with fasteners in place for specified sheet thickness |
+| `foot_assembly(t = 0, type = foot, flip = false, no_washer = false)` | Assembly with fasteners in place for specified sheet thickness |
 | `insert_foot(type = insert_foot)` | Generate STL for foot with insert |
 | `insert_foot_assembly(type = insert_foot)` | Printed part with insert in place |
 

tests/7_segments.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../utils/layout.scad>
 
 include <../vitamins/7_segments.scad>

tests/DIP.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../vitamins/dip.scad>
 
 dips = [[6, "OPTO"], [8, "NE555"], [14, "74HC00"], [16, "ULN2003"], [18, "ULN2803"], [20, "74HC245"], [28, "ATMEGA328"]];

tests/LDRs.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 include <../vitamins/ldrs.scad>
 
 use <../utils/layout.scad>

tests/SSR_shroud.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 include <../vitamins/ssrs.scad>
 
 use <../utils/layout.scad>

tests/ball_bearings.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../utils/layout.scad>
 
 include <../vitamins/ball_bearings.scad>

tests/camera_housing.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../utils/layout.scad>
 
 use <../printed/camera_housing.scad>

tests/core_xy.scad

@@ -19,7 +19,6 @@
 
 include <../core.scad>
 include <../vitamins/pulleys.scad>
-include <../vitamins/screws.scad>
 include <../vitamins/stepper_motors.scad>
 include <../vitamins/washers.scad>
 

tests/microview.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../vitamins/microview.scad>
 
 microview(!$preview);

tests/potentiometers.scad

@@ -23,9 +23,13 @@ include <../vitamins/potentiometers.scad>
 
 module potentiometers()
     layout([for(p = potentiometers) pot_size(p).x])
-        hflip()
+        hflip() {
             potentiometer(potentiometers[$i], shaft_length = 30);
 
+            translate_z(-3)
+                pot_nut(potentiometers[$i]);
+        }
+
 if($preview)
     let($show_threads = true)
         potentiometers();

tests/press_fit.scad

@@ -16,7 +16,7 @@
 // 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 <../utils/core/core.scad>
 use <../printed/press_fit.scad>
 
 module press_fits()

utils/core_xy.scad

@@ -29,7 +29,7 @@
 //! 4. The drive pulleys may be offset in the X and Y directions. If this is done, extra idler pulleys are added. This
 //! allows flexible positioning of the motors.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
 include <../vitamins/belts.scad>
 include <../vitamins/pulleys.scad>
 

vitamins/component.scad

@@ -54,9 +54,9 @@ module resistor(type) { //! Draw specified type of resitor
             for(side= [-1,1])
                 translate([side *  dia / 6, 0, length / 2])
                     rotate([0, splay_angle * side, 0])
-                        cylinder(r = resistor_wire_diameter(type) / 2, h = resistor_wire_length(type), center = false);
+                        cylinder(r = resistor_wire_diameter(type) / 2, h = resistor_wire_length(type), center = false, $fn = 16);
         else
-            cylinder(r = resistor_wire_diameter(type) / 2, h = length + 2 * resistor_wire_length(type), center = true);
+            cylinder(r = resistor_wire_diameter(type) / 2, h = length + 2 * resistor_wire_length(type), center = true, $fn = 16);
     //
     // Sleeving
     //
@@ -66,7 +66,7 @@ module resistor(type) { //! Draw specified type of resitor
                 for(side= [-1, 1])
                     translate([side *  resistor_diameter(type) / 6, 0, length / 2]) {
                         rotate([0, splay_angle * side, 0])
-                            cylinder(r = resistor_wire_diameter(type) / 2 + 0.1, h = resistor_wire_length(type) - 5, center = false);                   }
+                            cylinder(r = resistor_wire_diameter(type) / 2 + 0.1, h = resistor_wire_length(type) - 5, center = false, $fn = 16);                   }
     //
     // Body
     //
@@ -223,7 +223,7 @@ module  TO220(description, leads = 3, lead_length = 16) { //! Draw a TO220 packa
     body = 8;
     hole_y = 2.9;
 
-    vitamin(str("TO220(\"", description, "\"", arg(leads, 3, "leads"), arg(lead_length, 16, "lead_length"), "): ", description));
+    vitamin(str("TO220(\"", description, "\"", arg(leads, 3, "leads"), "): ", description));
 
     translate([0, -length + hole_y]) {
         color("silver") {
@@ -257,23 +257,23 @@ module  TO220(description, leads = 3, lead_length = 16) { //! Draw a TO220 packa
         children();
 }
 
-function TO247_size() = [15.7, 20.82, 4.82, 5.58]; //! Body dimensions of a T247 and the hole offset
+function TO247_size() = [15.7, 20.82, 4.82, 5.58, 2.5, 3.8]; //! Body dimensions of a T247, hole offset, lead height and lead wide length
 
-module  TO247(description, leads = 3, lead_length = 20) { //! Draw a TO247 package, use `description` to describe what it is
+module  TO247(description, lead_length = 20) { //! Draw a TO247 package, use `description` to describe what it is
     size =  TO247_size();
     hole_y = size[3];
+    lead_height = size[4];
+    lead_l = size[5];
     metal = [12.81, 13.08, 1.5];
     metal_y_offset = 1.35;
     hole = 3.5;
     metal_hole = 6.85;
-    lead_height = 2.5;
     lead_t = 0.61;
     lead_w2 = 2.5;
     lead_w = 1.25;
     lead_pitch = 5.56;
-    lead_l = 3.8;
 
-    vitamin(str("TO247(\"", description, "\"", arg(leads, 3, "leads"), arg(lead_length, 16, "lead_length"), "): ", description));
+    vitamin(str("TO247(\"", description, "\"): ", description));
 
     module body_shape()
         difference() {
@@ -298,15 +298,15 @@ module  TO247(description, leads = 3, lead_length = 20) { //! Draw a TO247 packa
             translate_z(lead_height)
                 linear_extrude(lead_t)
                     intersection() {
-                        for(i = [-1 : 1])
-                            if(i || leads == 3) {
-                                translate([lead_pitch * i, -lead_length / 2, lead_height])
-                                    square([lead_w, lead_length], center = true);
+                        for(i = [-1 : 1]) {
+                            length = is_list(lead_length) ? lead_length[i + 1] : lead_length;
+                            translate([lead_pitch * i, -length / 2, lead_height])
+                                square([lead_w, length], center = true);
 
-                                translate([lead_pitch * i, -lead_l / 2, lead_height])
-                                    square([lead_w2, lead_l], center = true);
-                            }
-                         square([2 * lead_pitch + lead_w, 100], center = true);
+                            translate([lead_pitch * i, -lead_l / 2, lead_height])
+                                square([lead_w2, lead_l], center = true);
+                        }
+                        square([2 * lead_pitch + lead_w, 100], center = true);
                     }
         }
 

vitamins/components.scad

@@ -27,7 +27,7 @@ RIE1212UB5C5R6 = [ "RIE1212UB5C5R6", "Resistor UB5C 5R6F 5R6 3W vitreous enamel"
 //
 Honewell       = [ "Honewell",  "Thermistor Honeywell 135-104LAC-J01 100K 1%",   4.75, 1.8, 0.5,  28.6,  2, "red",                        false];
 Epcos          = [ "Epcos",     "Thermistor Epcos B57560G104F 100K 1%",          4.6,  2.5, 0.3,  67,  2.5, [0.8, 0.8, 0.8, 0.25], true,  false];
-EpcosBlue      = [ "EpcosBlue", "Thermistor Epcos B57861S104F40 100K 1%",        6.5,  2.41,0.25, 43.5,2.5, "black",               true,  true];
+EpcosBlue      = [ "EpcosBlue", "Thermistor Epcos B57861S104F40 100K 1%",        4.5,  2.41,0.25, 43.5,2.5, "black",               true,  true];
 
 resistors = [Honewell, Epcos, EpcosBlue, RWM04106R80J, RIE1212UB5C5R6];
 //

vitamins/hot_end.scad

@@ -22,8 +22,6 @@
 //!
 //! Needs updating as mostly obsolete versions.
 //
-include <../core.scad>
-
 function hot_end_style(type)              = type[1];    //! Basic type, jhead or e3d
 function hot_end_part(type)               = type[2];    //! Description
 function hot_end_total_length(type)       = type[3];    //! Length from nozzle tip to the top
@@ -35,7 +33,7 @@ function hot_end_groove_dia(type)         = type[8];    //! Groove internal diam
 function hot_end_groove(type)             = type[9];    //! Groove length
 function hot_end_duct_radius(type)        = type[10];   //! Require radius to clear the heater block
 function hot_end_duct_offset(type)        = type[11];   //! Offset of circular duct centre from the nozzle
-function hot_end_need_cooling(type)       = hot_end_style(type) != e3d; //! Has own fan so don't need cooling hole in the duct
+function hot_end_need_cooling(type)       = hot_end_style(type) != "e3d"; //! Has own fan so don't need cooling hole in the duct
 function hot_end_duct_height_nozzle(type) = type[12];   //! Duct height at nozzle end
 function hot_end_duct_height_fan(type)    = type[13];   //! Duct height at fan end
 
@@ -45,9 +43,10 @@ use <jhead.scad>
 use <e3d.scad>
 
 module hot_end(type, filament, naked = false, resistor_wire_rotate = [0,0,0], bowden = false) { //! Draw specified hot end
-    if(hot_end_style(type) == jhead)
+    if(hot_end_style(type) == "jhead")
         jhead_hot_end_assembly(type, filament, naked);
-
-    if(hot_end_style(type) == e3d)
+    else if(hot_end_style(type) == "e3d")
         e3d_hot_end_assembly(type, filament, naked, resistor_wire_rotate, bowden);
+    else
+        assert(false, "Invalid hotend style");
 }

vitamins/hot_ends.scad

@@ -33,10 +33,10 @@
 //                                                                                       h      t     s   t              t     t
 //                                                                                              h
 //
-JHeadMk5  = ["JHeadMk5",  jhead, "JHead MK5",         51.2,  4.75,16,    40, grey(20),   12,    4.64, 13, [0, 2.38, -5], 20,   20];
-E3Dv5     = ["E3Dv5",     e3d,   "E3D V5 direct",       70,  3.7, 16,  50.1, "silver",   12,    6,    15, [1, 5,  -4.5], 14.5, 28];
-E3Dv6     = ["E3Dv6",     e3d,   "E3D V6 direct",       62,  3.7, 16,  42.7, "silver",   12,    6,    15, [1, 5,  -4.5], 14,   21];
-E3D_clone = ["E3D_clone", e3d,   "E3D clone aliexpress",66,  6.8, 16,    46, "silver",   12,    5.6,  15, [1, 5,  -4.5], 14.5, 21];
+JHeadMk5  = ["JHeadMk5", "jhead","JHead MK5",         51.2,  4.75,16,    40, grey(20),   12,    4.64, 13, [0, 2.38, -5], 20,   20];
+E3Dv5     = ["E3Dv5",     "e3d", "E3D V5 direct",       70,  3.7, 16,  50.1, "silver",   12,    6,    15, [1, 5,  -4.5], 14.5, 28];
+E3Dv6     = ["E3Dv6",     "e3d", "E3D V6 direct",       62,  3.7, 16,  42.7, "silver",   12,    6,    15, [1, 5,  -4.5], 14,   21];
+E3D_clone = ["E3D_clone", "e3d", "E3D clone aliexpress",66,  6.8, 16,    46, "silver",   12,    5.6,  15, [1, 5,  -4.5], 14.5, 21];
 
 hot_ends = [JHeadMk5, E3Dv5, E3Dv6, E3D_clone];
 

vitamins/iec.scad

@@ -20,7 +20,7 @@
 //
 //! IEC mains inlets and outlet.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
 use <screw.scad>
 use <nut.scad>
 use <washer.scad>

vitamins/module.scad

@@ -20,7 +20,9 @@
 //
 //! Random screw down modules. Currently just DROK buck converters.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
+use <screw.scad>
+use <nut.scad>
 
 function mod_part(type)   = type[1];        //! Description
 function mod_length(type) = type[2];        //! Body length

vitamins/pcbs.scad

@@ -868,7 +868,7 @@ ArduinoNano = let(l = 43.18, w = 17.78, pitch = inch(0.6), pins = 15, poffset =
     [(l - inch(pins - 1) / 10) / 2 + poffset, (w - pitch) / 2, pins, 2, silver, 2.54, pitch], // 15x2 grid of holes
 ];
 
-KY_040 = ["KY_040", "KY_-040 rotart encoder breakout",
+KY_040 = ["KY_040", "KY-040 rotart encoder breakout",
     26.3, 19.5, 1.6, 0, 3, 0, grey(20),  false,
     [
      [3.23 + 1.5, 1.3 + 1.5],

vitamins/potentiometer.scad

@@ -40,12 +40,52 @@ function pot_spigot(type)   = type[9];  //! Spigot width, length and height abov
 function pot_spigot_x(type) = type[10]; //! Spigot offset from the shaft centre
 function pot_shaft(type)    = type[11]; //! Diameter, flat diameter, length and flat/slot length and colour. If flat diameter is less than the radius then it is a slot width
 function pot_neck(type)     = type[12]; //! Diameter and length of the shaft neck
+function pot_nut(type)      = type[13]; //! Across flat diameter and thickness of the nut
+function pot_washer(type)   = type[14]; //! Outside diameter and thickness of the washer
 
 function pot_size(type) = let(d = pot_body(type)) len(d) > 3 ? [d.x , d.y, d.z] : [d.x, d.x, d.y]; //! Get pot body dimensions
 
-function pot_z(type) = pot_thread_h(type) - pot_nut_t - pot_proud; //! Ideal distance behind panel surface to get the nut on comfortably
+function pot_z(type, washer = true) = pot_thread_h(type) - pot_nut(type)[1] - pot_proud - (washer ? pot_washer(type)[1] : 0); //! Ideal distance behind panel surface to get the nut and washer on comfortably
 function pot_spigot_r(type) = let(sp = pot_spigot(type)) sp.x > 2 * spigot_r ? spigot_r : 0;
 
+module pot_nut(type, washer = true) { //! Draw the nut for a potentiometer and possibly a washer
+    nut = pot_nut(type);
+    washer = washer ? pot_washer(type) : false;
+    nut_z = washer ? washer[1] : 0;
+    thread_d = pot_thread_d(type);
+    vflip() explode(23, explode_children = true) {
+        if(washer)
+            color(washer[2])
+                linear_extrude(washer[1])
+                    difference() {
+                        circle(d = washer.x);
+
+                        circle(d =  thread_d);
+
+                        serations = washer[3];
+                        if(serations)
+                            for(i = [1 : serations])
+                                rotate(i * 360 / serations)
+                                    translate([thread_d / 2, 0])
+                                        square([(washer.x - thread_d) / 2, PI * thread_d / (2 * serations)], center = true);
+                    }
+
+        if(nut)
+            color(nut[2])
+                translate_z(nut_z + exploded() * 10) {
+                    linear_extrude(nut[1])
+                        difference() {
+                            circle(d = nut.x / cos(30), $fn = 6);
+
+                            circle(d =  thread_d);
+                        }
+
+                    if(show_threads && exploded())
+                        female_metric_thread(thread_d, pot_thread_p(type), nut[1], center = false, colour = nut[2]);
+                }
+    }
+}
+
 module potentiometer(type, thickness = 3, shaft_length = undef) {//! Draw a potentiometer with nut spaced by specified thickness
     bh = pot_boss_h(type);
     s = pot_size(type);

vitamins/potentiometers.scad

@@ -17,11 +17,11 @@
 // If not, see <https://www.gnu.org/licenses/>.
 //
 //! Potentiometers and rotary encoders
-//                body     h     r     face               wafer                 gangs thread d   pitch       h     boss  h    spigot w, l, h  offset  shaft d flat h flat h   colour     neck
-imperial_pot_x2 = [[24,     22.5, 1.5], [5.7, 15.33, 0.8], [20, 28, 1.6, true],  2,   inch(3/8), inch(1/32), 6.35, 13.6, 2.4, [1.12, 3.03, 2],    11, [6.27, 5.5, 44.3, 44.3, silver],   [0, 0]];
-imperial_pot    = [[24,     12,   1.5], [5.7, 15.33, 0.8], [20, 28, 1.6, true],  1,   inch(3/8), inch(1/32), 6.35, 13.6, 2.4, [1.12, 3.03, 2],    11, [6.27, 5.5, 44.3, 44.3, grey(95)], [0, 0]];
-metric_pot      = [[23,     11,   1.0], [0, 15.33, 0.8],   [18, 27, 1.2, false], 1,   10,        0.75,       7.32, 13.9, 2.5, [1.12, 2.88, 1.26], 11, [6.27, 5.5, 43.8, 43.5, grey(50)], [0, 0]];
-KY_040_encoder  = [[12, 12, 6.5,  1.0], false,             false,                1,    7,        0.75,       7,    0,    0,   [0.4,  2,     0.8],5.8, [6,    4.5, 13,   10,   grey(60)], [4, 0.5]];
+//                 body     h     r     face               wafer                 gangs thread d  pitch       h     boss  h    spigot w, l, h  offset  shaft d flat d shaft h flat h colour neck   nut                  washer
+imperial_pot_x2 = [[24,     22.5, 1.5], [5.7, 15.33, 0.8], [20, 28, 1.6, true],  2,   inch(3/8), inch(1/32), 6.35, 13.6, 2.4, [1.12, 3.03, 2],    11, [6.27, 5.5, 44.3, 44.3, silver],   [0, 0],  [13.3, 2.4, brass],  [17.4, 0.8, grey(20), 9]];
+imperial_pot    = [[24,     12,   1.5], [5.7, 15.33, 0.8], [20, 28, 1.6, true],  1,   inch(3/8), inch(1/32), 6.35, 13.6, 2.4, [1.12, 3.03, 2],    11, [6.27, 5.5, 44.3, 44.3, grey(95)], [0, 0],  [13.3, 2.4, brass],  [17.4, 0.8, grey(20), 9]];
+metric_pot      = [[23,     11,   1.0], [0, 15.33, 0.8],   [18, 27, 1.2, false], 1,   10,        0.75,       7.32, 13.9, 2.5, [1.12, 2.88, 1.26], 11, [6.27, 5.5, 43.8, 43.5, grey(50)], [0, 0],  [12.8, 2,   silver], [17.7, 0.8, grey(20), 10]];
+KY_040_encoder  = [[12, 12, 6.5,  1.0], false,             false,                1,    7,        0.75,       7,    0,    0,   [0.4,  2,     0.8],5.8, [6,    4.5, 13,   10,   grey(60)], [4, 0.5],[9.8,  2.2, silver], [11.5, 0.4, silver]];
 BTT_encoder     = [[12, 11, 6,    0.5], false,             false,                1,    6,        0.8,        4.5,  0,    0,   false,               0, [5,    0.75, 9.5, 9,    silver],   [3, 0.5]];
 
 potentiometers = [BTT_encoder, KY_040_encoder, metric_pot, imperial_pot, imperial_pot_x2];

vitamins/servo_motor.scad

@@ -19,7 +19,7 @@
 //! BLDC servos for CNC machines
 //
 
-include <../core.scad>
+include <../utils/core/core.scad>
 include <../utils/tube.scad>
 include <../utils/round.scad>
 include <../utils/quadrant.scad>

vitamins/sk_bracket.scad

@@ -20,9 +20,8 @@
 //! SK shaft support brackets
 //
 include <../core.scad>
-include <../utils/fillet.scad>
+use <../utils/fillet.scad>
 
-use <washer.scad>
 
 sk_bracket_colour = grey(70);
 

vitamins/stepper_motor.scad

@@ -27,7 +27,6 @@ include <../vitamins/pin_headers.scad>
 use <../utils/tube.scad>
 use <../utils/thread.scad>
 use <../utils/round.scad>
-use <washer.scad>
 use <rod.scad>
 
 function NEMA_width(type)        = type[1]; //! Width of the square face

vitamins/veroboard.scad

@@ -82,7 +82,7 @@ module veroboard(type) { //! Draw specified veroboard with missing tracks and tr
     width = strips * pitch;
     hole_d = 1;
     tw = vero_track_width(type);
-    colour = vero_fr4(type) ? "green" : "goldenrod";
+    colour = vero_fr4(type) ? "#BEB564" : "goldenrod";
     tc = vero_fr4(type) ? "silver" : copper;
     no_track = vero_no_track(type);
 
@@ -124,9 +124,9 @@ module veroboard(type) { //! Draw specified veroboard with missing tracks and tr
                 for(p = vero_breaks(type))
                     vero_grid_pos(type, p.x, p.y)
                         if(ceil(p.x) == p.x)
-                            circle(d = pitch);
+                            circle(d = pitch * 1.1);
                         else
-                            square([pitch * 0.2, pitch], center = true);
+                            square([pitch * 0.3, pitch], center = true);
             }
         }
 }