In cases where machines are used in molding and especially in the production of many small parts, double-sided plate models are used. The upper and lower grade parts of the model are mounted on the lower and upper faces of a wooden or metal plate that forms the section surface. These models, which are mostly metal, are also produced by sand or plaster mold casting method. Vertical and horizontal runners and, if possible, risers are placed on the plate model. These models are generally used in molding machines with high production speeds. The high mold life, dimensional accuracy and productivity in mass production cover the costs for these models.