Casting Hollow Spheres in a Mold for an Artificial Reef

This is a tutorial in how to make a silicone mold of a hollow, spherical form. It is part of a larger project involving an artificial reef.

Architectural Products - March 2019 by Endeavor Business Media - Issuu

Casting Hollow Spheres in a Mold for an Artificial Reef

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Casting Hollow Spheres in a Mold for an Artificial Reef

undercut - A mold made of plaster is a rigid mold and therefore