How To Make a Brush‑On Mold of a 3D Hollow Model

This casting will be made with Matrix® NEO® which has a 2A:1B mix ratio by volume. In this example, four cups of Part A and two cups of Part B will be used with an iron oxide powder added to the mix to provide color to the finished casting. The blended mix is poured into the mold around the mold plug. Fill the mold and reaffirm that the mold structure is level.