[Mark] gives an excellent primer on creating patterns in CAD, including how to compensate for shrinkage and make allowance for draft. There are tons of tips to glean from these videos, and plenty ...

At it’s core, here are the steps involved in lost wax, or investment, casting: Make a pattern: a wax or plastic replica of the part you’d like to create in metal Make a mold: pour plaster ...

Processes include Sand Molding, Ceramic Shell, Centrifugal Casting, Wax and Plasticene pattern making. Digital and Environmental Foundry approaches range from 3d printing to ancient clay molding ...