Casting Ring

Besides my casting box (http://www.thingiverse.com/thing:1240561) I used a casting ring for some models.

Now, as I had to change the FreeCAD file another time to print the ring at a different size, I decided to make an scad thing and to share it as a customizer.

Open the customizer (apps). Just change the hight and the diameter to your needs. Eventually you have to change the „tolerance“ if the two halves are too loose or too tight. There is no need to change the „wandstaerke“, which mean