Shenzhen Alu Rapid Prototype Precision Co., Ltd. Industry News Home News Key Aspects of Prototype Plastic Shaping 1.Purpose:To create physical models of plastic parts to test design, functionality, fit, and aesthetics before committing to full-scale production.Used for iterative design, market testing, or regulatory approval.2.Techniques for Prototype Plastic Shaping:CNC Machining3D Printing (Additive Manufacturing)Vacuum CastingInjection Molding (Prototype Tooling)ThermoformingSheet Metal Fabrication (Hybrid)3.Materials Used:Common plastics include ABS, polycarbonate (PC), nylon, PEEK, PMMA (acrylic), and polypropylene.Polyurethane resins are often used in vacuum casting to mimic production plastics.Material choice depends on the prototype’s required strength, flexibility, transparency, or biocompatibility.