This article covers the process of sand casting new case parts for antique Indian motorcycles. In this instance, the parts were not only very difficult to find, the author also wanted to modify ...

sand casting, lost PLA casting, lathe turning, milling, and even some good old-fashioned sanding. The most tedious part of the process appears to be dip coating of ceramic for the lost PLA mold ...

Rapid prototyping uses three-dimensional (3D) computer aided design to quickly fabricate a part or, alternatively, a sand mold for casting a part from metal. Currently there are many limitations with ...