Add cat ears

.forgejo/workflows/stl.yaml

@@ -26,6 +26,10 @@ on:
           - pixel-cats/spooked-right.svg
           - pixel-cats/standing-left.svg
           - pixel-cats/standing-right.svg
+      ears:
+        description: 'Cat Ears'
+        default: false
+        type: boolean
 
 jobs:
 
@@ -47,6 +51,7 @@ jobs:
       env:
         LABEL: "${{ inputs.label }}"
         ICON: "${{ inputs.icon }}"
+        EARS: "${{ inputs.ears }}"
 
     - name: Render to STL
       run: openscad --export-format binstl -o bottle-clip.stl ci.scad

bottle-clip.scad

@@ -58,11 +58,14 @@ module multicolor(color) {
  * text_color: The color of the text
  * logo_color: The color of the logo
  */
-module bottle_clip(ru=13, rl=17.5, ht=26, width=2.5, name="", gap=90,
+module bottle_clip(ru=13, rl=17.5, ht=26, width=2.5, name="", gap=90, ears=false,
 		logo="thing-logos/stratum0-lowres.dxf", font="write/orbitron.dxf",
 		bg_color="DEFAULT", text_color="DEFAULT", logo_color="DEFAULT") {
 
 	e=100;  // should be big enough, used for the outer boundary of the text/logo
+
+	difference() {
+		union() {
 			difference() {
 				rotate([0,0,-45]) union() {
 					// main cylinder
@@ -82,9 +85,6 @@ module bottle_clip(ru=13, rl=17.5, ht=26, width=2.5, name="", gap=90,
 							import(logo);
 					}
 				}
-		// inner cylinder which is substracted
-		translate([0,0,-1])
-			cylinder(r1=rl, r2=ru, h=ht+2);
 				// outer cylinder which is substracted, so the text and the logo end
 				// somewhere on the outside ;-)
 				difference () {
@@ -103,6 +103,27 @@ module bottle_clip(ru=13, rl=17.5, ht=26, width=2.5, name="", gap=90,
 					linear_extrude(height=50)
 					polygon(points=[[0,0], [gap_x, gap_y], [50,50], [gap_y, gap_x]]);
 			}
+
+			// Cat ears!
+			if (ears) {
+				ear_size = 8;
+				rotate([0, 0, 45])
+				for (m = [0 : 1]) mirror([0, m, 0])
+				rotate([0, 0, -60])
+				translate([0, 0, ht-3])
+				rotate([0, -90, 0])
+				translate([0, 0, ru])
+				rotate([0, -30, 0])
+				// Ear solid
+				translate([0,0,-1])
+				linear_extrude(2)
+				polygon(points = [ [0, -ear_size], [0, ear_size], [ear_size*2, 1], [ear_size*2, -1] ]);
+			}
+		}
+		// inner cylinder which is substracted
+		translate([0,0,-1])
+			cylinder(r1=rl, r2=ru, h=ht+2);
+	}
 }
 
 /**

ci-template.scad

@@ -1,3 +1,3 @@
 include <bottle-clip.scad>
 
-bottle_clip(name="$LABEL", logo="$ICON");
+bottle_clip(name="$LABEL", logo="$ICON", ears=$EARS);