Urethane casting offers high accuracy as its major characteristic. The procedure starts by making silicone molds from master patterns which usually originate from three-dimensional printing ...

With the core loaded into the mold, urethane resin is poured in through the top until all the empty space is filled. But you’re not done yet. All those little air bubbles in the resin need to be ...

He kicked it old school and cast a new one in urethane resin ... [Eric] planned to make a one-piece mold instead of two halves. At this point it becomes injection molding, so before he gets ...