Quote Originally Posted by awerby View Post
I imagine some of the flexible materials the Objet uses could work as molds directly. But it would probably be more cost-effective to print a positive form and make molds from it, since you could make multiple molds from each model. I like the idea of 3D-printed mold boxes, though; that could definitely minimize the use of expensive mold rubber.

Andrew Werby
www.computersculpture.com
I dont know why I never thought about using a flexible material, I have been wanting to get some this just made a reason to get some. I will update once I have some.