test-cup: try this

diff --git a/test-cup.scad b/test-cup.scad
new file mode 100644 (file)
index 0000000..5bb826a
--- /dev/null
+++ b/test-cup.scad
@@ -0,0 +1,12 @@
+// -*- C -*-
+
+radius = 25/2;
+wall = 1.0;
+height = 40;
+floor = 1.0;
+
+difference(){
+  cylinder(r=radius+wall, h=height);
+  translate([0,0, floor])
+    cylinder(r=radius, h=height);
+}