Materials: aluminum, copper, steel, ABS, PP, PC, PMMA, PA, acrylic and nylon Rapid prototype using fused deposition modeling (FDM) is a solid-based prototyping method that extrudes material, layer-by-layer and to build a model Build materials used are production quality thermoplastics such as ABS Ideal for conceptual models, engineering models, and functional testing prototypes Design software: AutoCAD, CAM and Pro/E Various types are available