When you need a smooth and polished finish, or you want to make exact copies of an existing injection molded part, casting resin parts in silicone molds is an excellent option. [Eric Strebel] has ...

Prolific maker and product designer [Eric Strebel] has years of experience making reusable mold boxes for silicone and resin ... If you want to mold stuff like concrete and plaster, you may ...

you'll need mugs that will fit in the cement block without crowding each other. You can also use a larger mold to create more room for multiple cups, but for a standard silicone rectangle mold ...