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.

CHANGELOG.md

@@ -3,6 +3,30 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+### [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.
 

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 |

vitamins/component.scad

@@ -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);
                     }
         }