Make your own silicone molds with easy to find supplies! Free tutorial with pictures on how to make a molds in under 25 minutes by molding, resinworking, and with cornstarch, silicone, and americana acrylics. How To posted by Mark Montano. in the Oth.
Vaseline and caulk to make small molds. For reproducing small details, coat the original with Vaseline, then cover it with a thick layer of 100 percent silicone sealant. Let it cure, remove the mold, and fill with plaster of paris.