This uses the the rather fantastic - Parametric two-part mold generator for OpenSCAD by Jason Webb to make a Deathstar mold in Filaflex
Details of ho...w to make this and how to clean up STL models so they work in the OpenSCAD script can be found on my Blog here -http://richrap.blogspot.co.uk/2016/02/filaflex-3dprint-moldmaking-deathstar.htmlEasy melt and pour soap
3d model print parameters
Easy melt and pour soap
Filaflex of another Flexible 3D Printing material
Some time and an idea for a mold. ...