a mold holding apparatus is disclosed for securely holding plaster molds used in the production of ceramic , porcelain and plastic items permitting molds to be oriented so as to permit filling of pour holes present in molds , and to facilitate the uniform pouring off of excess slip . the apparatus includes adjustable retainers for removeable attachment of a mold to a rotatable platform , and center of mass adjustments and frictional contact surfaces for uniform rate of pouring off of excess slip .