Add towelholder

Signed-off-by: Knut Ahlers <knut@ahlers.me>

README.md

@@ -8,3 +8,4 @@ In case you have use for those models thankfully to Github you can preview all m
 | ----- | ------ | ------- | ----- |
 | [`razorholder.stl`](razorholder.stl) | [`razorholder.jscad`](razorholder.jscad) | 0.1.0 | Holder for T-Shape razor |
 | [`sonoff_dev_housing.stl`](sonoff_dev_housing.stl) | [`sonoff_dev_housing.jscad`](sonoff_dev_housing.jscad) | 0.2.6 | Sonoff DEV box for lamp post |
+| [`towelholder.stl`](towelholder.stl) | [`towelholder.jscad`](towelholder.jscad) | 0.1.0 | Kitchen-towel holder for fridge |

towelholder.jscad

@@ -0,0 +1,59 @@
+/*
+ * title      : Kitchen-towel holder for fridge
+ * author     : Knut Ahlers
+ * revision   : 0.1.0
+ */
+
+function main () {
+  return union(
+    gen_holder(true),
+    gen_holder(false),
+    gen_ring().translate([-30, -30, 0]),
+    gen_ring().translate([-30, 30, 0])
+  )
+}
+
+function gen_holder(left) {
+  return difference(
+    cube({ size: [97, 15, 77] }),
+    cube({ size: [74, 15, 24] }).translate([0, 0, 53]), // Empty space front top
+    cube({ size: [17, 15, 74] }).translate([77, 0, 0]), // Door
+    cube({ size: [3, 15, 54] }).translate([94, 0, 0]), // Shorten back holder
+    cylinder({ r: 19.75, h: 5 }).rotateX(-90).translate([26.5, left ? 0 : 10, 26.5]),
+    difference(
+      cylinder({ r: 22.5, h: 5 }),
+      difference(
+        union(
+          cube({ size: [51, 5, 5] }).translate([-25.5, -2.5, 0]),
+          cube({ size: [5, 51, 5] }).translate([-2.5, -25.5, 0])
+        ),
+        cylinder({ r: 19.75, h: 5 })
+      )
+    ).rotateX(-90).translate([26.5, left ? 5 : 5, 26.5]),
+    intersection(
+      difference(
+        union(
+          cube({ size: [45, 5, 5] }).translate([-22.5, -2.5, 0]),
+          cube({ size: [5, 45, 5] }).translate([-2.5, -22.5, 0])
+        ),
+        cylinder({ r: 19.75, h: 5 })
+      ),
+      cylinder({ r: 22.5, h: 5 })
+    ).rotateZ(45).rotateX(-90).translate([26.5, left ? 0 : 10, 26.5])
+  ).translate([0, 0, 10]).rotateX(left ? -90 : 90).translate([0, 0, left ? 15 : 0])
+}
+
+function gen_ring() {
+  return difference(
+    intersection(
+      union(
+        cylinder({ r: 19.5, h: 10 }),
+        cube({ size: [51, 4.5, 4.5] }).translate([-25.5, -2.25, 0])
+      ),
+      cylinder({ r: 22.5, h: 10 })
+    ),
+    cylinder({ r: 16.5, h: 10 })
+  )
+}
+
+// vim: set ft=javascript: