RC wheel mold

A remix/rebuild of http://www.thingiverse.com/thing:26279 I tried his design but modified it a bit, but given the fact that I do not have the source files and work in solidworks I started anew. The mold is designed around the 8 mm hex hole rim from the link.
Also I still only have a single tire design. But if you feel like it, any half round circle out diameter of 69.5 mm and a wall thickness of 3.5 mm and a design protruding will do I guess.
Work in progress, I'm currently printing these pa