Ultracal® 30 gnomonworkshop author and teacher David Parvin

author and teacher David Parvin demonstrates the techniques he uses in his 5-day workshops to mold and cast babies hands and feet as well as casting a wreath of hands and a ballet dancer's foot

combined with polyurethane natural resistance to atmospheric agents

color-rich pigments to blend on top of skin or latex to create lifelike effects

Jacob Epstein

Ziplock Pouch

Ultracal® 30 gnomonworkshop author and teacher David ParvinAVAILABLE IN 5, 25, AND 50LB OPTIONS IN THE DROPDOWN USG Ultracal Brand 30 Gypsum Cement is designed for the patternmaking industry as the ultimate gypsum cement tooling medium. When extreme accuracy and greater surface hardness are required (as in duplicator models), use USG Ultracal 30 Gypsum Cement. It provides extremely low expansion properties, gradual set and a long period of plasticity. Ideal for splash casting molds and models for phenolic,