#HTE
Making Reusable Mold Boxes for Silicone Molds and Casting
While most of you already know how to build a box, here industrial designer Eric Strebel demonstrates his system for creating reusable mold/casting boxes, and describes how having a bunch of these lying around in different sizes can improve your shop efficiency:
http://www.core77.com/posts/70720/Making-Reusable-Mold-Boxes-for-Silicone-Molds-and-Casting