Rapid prototyping refers to technologies that allow physical prototypes to be quickly created from digital data. Rapid prototyping can reduce development costs and time to market for new products by enabling faster design iteration. There are several rapid prototyping services in wide use today. 3D Printing One of the most popular rapid prototyping techniques is the 3D printing service . 3D printing builds up successive layers of material, usually plastics or resins, to create a three-dimensional object from a digital model. Various 3D printing processes exist, but fused deposition modeling (FDM) and stereolithography (SLA) are the most common. FDM printers work by heating and extruding thermoplastic filament in layers based on a CAD model. FDM offers reasonably fast print speeds, affordable desktop models from companies like MakerBot and Ultimaker, and a range of material choices, including ABS, PLA, PETG, and flexible filaments. Resolution is limited by nozzle size, layer height, a
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