First commit

tools/dremel/scad/lever_knob.scad

@@ -0,0 +1,16 @@
+$fn=128;
+
+rotate([180,0,0]) {
+    difference() {
+        union() {
+            scale([1,1,0.6]) {
+                sphere(d=22);
+            }
+            cylinder(h=20,d1=22,d2=16);
+            }
+        scale([1,1,0.5]) {
+            sphere(d=12.5);
+        }
+        cylinder(h=20,d=12.5);
+    }
+}