Whether you’re looking to reproduce a sculpted figure, antique picture frame, architectural molding, fossils or fabric texture, all start with a liquid rubber or silicone mold.
ArtMolds specializes in mold making and casting materials that are environmentally safe. It is an ancient art form dating back to the time of the Egyptians. And I would expect that molds of plaster, wood, or most other nonreactive materials would also work, with proper mold release. I wouldnt bother making wax intermediaries.
Look up bullet casting machines, often the mold will be made from brass or bronze but as I mentioned, silicone is fine, even plaster will work for a good while. I have had good results casting polyurethane foam into silicone molds as well. You can cast lead directly in silicone It is common to have a single split mold, a pot of molten lead, and cast them one at a time. Life casting or body casting is the art of taking molds directly from the human body. Ill show pictures of the 3D printed molds Ive used but you can also cast into molds made from many other materials. I’m casting with FGR-95, a durable gypsum cement from USG, also available from Douglas & Sturgess. It’s not always required in a silicone mold, but it helps due to the extreme undercut and lock with this model. Ideal for: patterns, figurines, commercial casts and sculpture. High-quality and efficient casting plaster as a material for making plaster molds for clay sculptures or as a material for casting ready-made plaster molds. For plaster, gypsum cement, and concrete castings, I often use canola oil spray as a release agent. It cannot be used to make an outer mold and is recommended for casting only. It is 30% - 40% harder than casting plaster and works much like casting plaster in mixing, pouring, and setting. Discover paper mache and other related materials for modeling, mold-making and casting, packaged for small studio or large classroomĬhoose traditional pristine white casting plaster pure white, smooth, slow-setting plaster for casts molds and direct modeling or try Hydrocal. The introduction of molds in the Bronze Age elevated the crude manufacturing processes practiced by our ancestors.
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