stereolithography, photo-curable, resin, liquid resin, plastic model, sla prototypes, sla, cast parts, urethane, aluminum, zinc, sla injection mold, thermoforming tools, thermoforming, mpi, rapid prototyping, solid plastic, laser beam, photo-curable liquid resin, selective laser sintering, room temperature vulcanization, urethane, rubber mold, sandcast, plastercast, investment cast, sl5170, sl5180, manitowoc, manitowoc prototypes,

since 1990, mpi has built thousands of sla prototypes and supplied many more cast parts in urethane, aluminum, and zinc.