actually force skin extrusion too

README.md

@@ -78,7 +78,7 @@ These modifier functions may not cover every use case; in that case, you may hav
 
 new to the library and still in a beta state, layouts allows you to generate an entire layout for a keyboard!
 
-It is recommended to print layouts with a brim that extends to the next key.
+It is recommended to use tined stem support and set `$extra_long_stem_support = true` if you plan on printing these keycaps.
 
 ```
 60_percent_default("dcs") key();

customizer.scad

@@ -94,6 +94,10 @@ $stem_inset = 0;
 // How many degrees to rotate the stems. useful for sideways keycaps, maybe
 $stem_rotation = 0;
 
+// enable to have stem support extend past the keycap bottom, to (hopefully) the next
+// keycap. only works on tines right now
+$extra_long_stem_support = false;
+
 /* [Shape] */
 
 // Key shape type, determines the shape of the key. default is 'rounded square'
@@ -831,7 +835,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -1232,7 +1236,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -1311,7 +1315,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -2073,12 +2077,12 @@ module ISO_enter_shape(size, delta, progress){
 }
 
 function iso_enter_vertices(size, delta, progress, thickness_difference) = [
-  [                       0-delta.x/2 * progress - thickness_difference/8,                      0 - delta.y / 2 * progress - thickness_difference/8], // top right
-  [                       0-delta.x/2 * progress - thickness_difference/8,               -size[1] + delta.y / 2 * progress + thickness_difference/8], // bottom right
-  [-size[0] * width_ratio + delta.x/2 * progress + thickness_difference/8,               -size[1] + delta.y / 2 * progress + thickness_difference/8], // bottom left
-  [-size[0] * width_ratio + delta.x/2 * progress + thickness_difference/8,-size[1] * height_ratio + delta.y / 2 * progress + thickness_difference/2], // inner middle point
-  [              -size[0] + delta.x/2 * progress + thickness_difference/8,-size[1] * height_ratio + delta.y / 2 * progress + thickness_difference/2], // outer middle point
-  [              -size[0] + delta.x/2 * progress + thickness_difference/8,                      0 - delta.y / 2 * progress - thickness_difference/8]  // top left
+  [                       0-delta.x/2 * progress - thickness_difference/2,                      0 - delta.y / 2 * progress - thickness_difference/2], // top right
+  [                       0-delta.x/2 * progress - thickness_difference/2,               -size[1] + delta.y / 2 * progress + thickness_difference/2], // bottom right
+  [-size[0] * width_ratio + delta.x/2 * progress + thickness_difference/2,               -size[1] + delta.y / 2 * progress + thickness_difference/2], // bottom left
+  [-size[0] * width_ratio + delta.x/2 * progress + thickness_difference/2,-size[1] * height_ratio + delta.y / 2 * progress + thickness_difference/2], // inner middle point
+  [              -size[0] + delta.x/2 * progress + thickness_difference/2,-size[1] * height_ratio + delta.y / 2 * progress + thickness_difference/2], // outer middle point
+  [              -size[0] + delta.x/2 * progress + thickness_difference/2,                      0 - delta.y / 2 * progress - thickness_difference/2]  // top left
 ] + [
   [(size[0] * width_ratio)/2, size[1]/2 ],
   [(size[0] * width_ratio)/2, size[1]/2 ],
@@ -2254,7 +2258,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -3078,7 +3082,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -3268,7 +3272,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -3379,7 +3383,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -3454,7 +3458,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -3575,7 +3579,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -3650,7 +3654,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -3789,7 +3793,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -3934,7 +3938,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -4009,7 +4013,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -4177,7 +4181,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -4252,7 +4256,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -4326,20 +4330,17 @@ module cherry_stem(depth, slop, throw) {
   }
 }
 
-/* NOTE: every reference to total_key_width and total_key_height
- * is multiplied by two in order to account for offset stems
- */ 
 module centered_tines(stem_support_height) {
   if ($key_length < 2) {
     translate([0,0,$stem_support_height / 2]) {
-      cube([total_key_width()*2, 0.5, $stem_support_height], center = true);
+      cube([total_key_width(), 0.5, $stem_support_height], center = true);
     }
   }
 
   translate([0,0,$stem_support_height / 2]) {
     cube([
       1,
-      total_key_height()*2,
+      total_key_height(),
       $stem_support_height
     ],
     center = true);
@@ -4347,13 +4348,16 @@ module centered_tines(stem_support_height) {
 }
 
 module tines_support(stem_type, stem_support_height, slop) {
+  extra_height = $extra_long_stem_support ? ($unit - total_key_height()) + 0.1 : -$wall_thickness/4; // fudge
+  extra_width = $extra_long_stem_support ? ($unit - total_key_width()) + 0.1 : -$wall_thickness/4;
+
   if (stem_type == "cherry" || stem_type == "costar_stabilizer") {
     difference () {
       union() {
         if ($key_length < 2) {
           translate([0,0,$stem_support_height / 2]) {
             cube([
-              total_key_width()*2,
+              total_key_width() + extra_width*2,
               0.5,
               $stem_support_height
             ], center = true);
@@ -4365,7 +4369,7 @@ module tines_support(stem_type, stem_support_height, slop) {
           translate([x,0,$stem_support_height / 2]) {
             cube([
               0.5,
-              total_key_height()*2, // this is to extend past
+              total_key_height() + extra_height*2, // this is to extend past
               $stem_support_height
             ], center = true);
           }
@@ -4380,7 +4384,7 @@ module tines_support(stem_type, stem_support_height, slop) {
         translate([x,0,$stem_support_height / 2]) {
           cube([
             1,
-            total_key_height()*2,
+            total_key_height($wall_thickness),
             $stem_support_height
           ], center = true);
         }
@@ -4403,9 +4407,9 @@ module tines_support(stem_type, stem_support_height, slop) {
   } else if (stem_type == "alps"){
     centered_tines(stem_support_height);
   } else if (stem_type == "choc"){
-    if ($key_length < 2) translate([0,0,$stem_support_height / 2]) cube([total_key_width(), 0.42, $stem_support_height], center = true);
-    /* translate([-5.7/2,0,$stem_support_height / 2]) cube([0.5, total_key_height(), $stem_support_height], center = true); */
-    /* translate([5.7/2,0,$stem_support_height / 2]) cube([0.5, total_key_height(), $stem_support_height], center = true); */
+    if ($key_length < 2) translate([0,0,$stem_support_height / 2]) cube([total_key_width($wall_thickness)+$wall_thickness/4, 0.42, $stem_support_height], center = true);
+    /* translate([-5.7/2,0,$stem_support_height / 2]) cube([0.5, total_key_height($wall_thickness), $stem_support_height], center = true); */
+    /* translate([5.7/2,0,$stem_support_height / 2]) cube([0.5, total_key_height($wall_thickness), $stem_support_height], center = true); */
   }
 }
 
@@ -4658,7 +4662,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -4848,7 +4852,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps
@@ -6400,6 +6404,10 @@ $stem_inset = 0;
 // How many degrees to rotate the stems. useful for sideways keycaps, maybe
 $stem_rotation = 0;
 
+// enable to have stem support extend past the keycap bottom, to (hopefully) the next
+// keycap. only works on tines right now
+$extra_long_stem_support = false;
+
 /* [Shape] */
 
 // Key shape type, determines the shape of the key. default is 'rounded square'

src/functions.scad

@@ -33,7 +33,7 @@ function top_total_key_height() = $bottom_key_height + ($unit * ($key_height - 1
 
 function side_tilt(column) = asin($unit * column / $double_sculpt_radius);
 // tan of 0 is 0, division by 0 is nan, so we have to guard
-function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - ($unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
+function extra_side_tilt_height(column) = side_tilt(column) ? ($double_sculpt_radius - (unit * abs(column)) / tan(abs(side_tilt(column)))) : 0;
 
 // (I think) extra length of the side of the keycap due to the keytop being tilted.
 // necessary for calculating flat sided keycaps

src/settings.scad

@@ -79,6 +79,10 @@ $stem_inset = 0;
 // How many degrees to rotate the stems. useful for sideways keycaps, maybe
 $stem_rotation = 0;
 
+// enable to have stem support extend past the keycap bottom, to (hopefully) the next
+// keycap. only works on tines right now
+$extra_long_stem_support = false;
+
 /* [Shape] */
 
 // Key shape type, determines the shape of the key. default is 'rounded square'

src/shapes/ISO_enter.scad

@@ -38,12 +38,12 @@ module ISO_enter_shape(size, delta, progress){
 }
 
 function iso_enter_vertices(size, delta, progress, thickness_difference) = [
-  [                       0-delta.x/2 * progress - thickness_difference/8,                      0 - delta.y / 2 * progress - thickness_difference/8], // top right
-  [                       0-delta.x/2 * progress - thickness_difference/8,               -size[1] + delta.y / 2 * progress + thickness_difference/8], // bottom right
-  [-size[0] * width_ratio + delta.x/2 * progress + thickness_difference/8,               -size[1] + delta.y / 2 * progress + thickness_difference/8], // bottom left
-  [-size[0] * width_ratio + delta.x/2 * progress + thickness_difference/8,-size[1] * height_ratio + delta.y / 2 * progress + thickness_difference/2], // inner middle point
-  [              -size[0] + delta.x/2 * progress + thickness_difference/8,-size[1] * height_ratio + delta.y / 2 * progress + thickness_difference/2], // outer middle point
-  [              -size[0] + delta.x/2 * progress + thickness_difference/8,                      0 - delta.y / 2 * progress - thickness_difference/8]  // top left
+  [                       0-delta.x/2 * progress - thickness_difference/2,                      0 - delta.y / 2 * progress - thickness_difference/2], // top right
+  [                       0-delta.x/2 * progress - thickness_difference/2,               -size[1] + delta.y / 2 * progress + thickness_difference/2], // bottom right
+  [-size[0] * width_ratio + delta.x/2 * progress + thickness_difference/2,               -size[1] + delta.y / 2 * progress + thickness_difference/2], // bottom left
+  [-size[0] * width_ratio + delta.x/2 * progress + thickness_difference/2,-size[1] * height_ratio + delta.y / 2 * progress + thickness_difference/2], // inner middle point
+  [              -size[0] + delta.x/2 * progress + thickness_difference/2,-size[1] * height_ratio + delta.y / 2 * progress + thickness_difference/2], // outer middle point
+  [              -size[0] + delta.x/2 * progress + thickness_difference/2,                      0 - delta.y / 2 * progress - thickness_difference/2]  // top left
 ] + [
   [(size[0] * width_ratio)/2, size[1]/2 ],
   [(size[0] * width_ratio)/2, size[1]/2 ],

src/stem_supports/tines.scad

@@ -1,20 +1,17 @@
 include <../functions.scad>
 include <../stems/cherry.scad>
 
-/* NOTE: every reference to total_key_width and total_key_height
- * is multiplied by two in order to account for offset stems
- */ 
 module centered_tines(stem_support_height) {
   if ($key_length < 2) {
     translate([0,0,$stem_support_height / 2]) {
-      cube([total_key_width()*2, 0.5, $stem_support_height], center = true);
+      cube([total_key_width(), 0.5, $stem_support_height], center = true);
     }
   }
 
   translate([0,0,$stem_support_height / 2]) {
     cube([
       1,
-      total_key_height()*2,
+      total_key_height(),
       $stem_support_height
     ],
     center = true);
@@ -22,13 +19,16 @@ module centered_tines(stem_support_height) {
 }
 
 module tines_support(stem_type, stem_support_height, slop) {
+  extra_height = $extra_long_stem_support ? ($unit - total_key_height()) + 0.1 : -$wall_thickness/4; // fudge
+  extra_width = $extra_long_stem_support ? ($unit - total_key_width()) + 0.1 : -$wall_thickness/4;
+
   if (stem_type == "cherry" || stem_type == "costar_stabilizer") {
     difference () {
       union() {
         if ($key_length < 2) {
           translate([0,0,$stem_support_height / 2]) {
             cube([
-              total_key_width()*2,
+              total_key_width() + extra_width*2,
               0.5,
               $stem_support_height
             ], center = true);
@@ -40,7 +40,7 @@ module tines_support(stem_type, stem_support_height, slop) {
           translate([x,0,$stem_support_height / 2]) {
             cube([
               0.5,
-              total_key_height()*2, // this is to extend past
+              total_key_height() + extra_height*2, // this is to extend past
               $stem_support_height
             ], center = true);
           }
@@ -55,7 +55,7 @@ module tines_support(stem_type, stem_support_height, slop) {
         translate([x,0,$stem_support_height / 2]) {
           cube([
             1,
-            total_key_height()*2,
+            total_key_height($wall_thickness),
             $stem_support_height
           ], center = true);
         }
@@ -78,8 +78,8 @@ module tines_support(stem_type, stem_support_height, slop) {
   } else if (stem_type == "alps"){
     centered_tines(stem_support_height);
   } else if (stem_type == "choc"){
-    if ($key_length < 2) translate([0,0,$stem_support_height / 2]) cube([total_key_width(), 0.42, $stem_support_height], center = true);
-    /* translate([-5.7/2,0,$stem_support_height / 2]) cube([0.5, total_key_height(), $stem_support_height], center = true); */
-    /* translate([5.7/2,0,$stem_support_height / 2]) cube([0.5, total_key_height(), $stem_support_height], center = true); */
+    if ($key_length < 2) translate([0,0,$stem_support_height / 2]) cube([total_key_width($wall_thickness)+$wall_thickness/4, 0.42, $stem_support_height], center = true);
+    /* translate([-5.7/2,0,$stem_support_height / 2]) cube([0.5, total_key_height($wall_thickness), $stem_support_height], center = true); */
+    /* translate([5.7/2,0,$stem_support_height / 2]) cube([0.5, total_key_height($wall_thickness), $stem_support_height], center = true); */
   }
 }

yarn.lock

@@ -1013,9 +1013,9 @@ homedir-polyfill@^1.0.1:
     parse-passwd "^1.0.0"
 
 hosted-git-info@^2.1.4:
-  version "2.8.9"
-  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
-  integrity sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.8.tgz#7539bd4bc1e0e0a895815a2e0262420b12858488"
+  integrity sha512-f/wzC2QaWBs7t9IYqB4T3sR1xviIViXJRJTWBlx2Gf3g0Xi5vI7Yy4koXQ1c9OYDGHN9sBy1DQ2AB8fqZBWhUg==
 
 inflight@^1.0.4:
   version "1.0.6"
@@ -1624,9 +1624,9 @@ path-is-absolute@^1.0.0:
   integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
 
 path-parse@^1.0.6:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.7.tgz#fbc114b60ca42b30d9daf5858e4bd68bbedb6735"
-  integrity sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
 
 path-root-regex@^0.1.0:
   version "0.1.2"
@@ -2348,9 +2348,9 @@ xtend@~4.0.0, xtend@~4.0.1:
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
 
 y18n@^3.2.1:
-  version "3.2.2"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
-  integrity sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+  integrity sha1-bRX7qITAhnnA136I53WegR4H+kE=
 
 yargs-parser@^5.0.0:
   version "5.0.1"