High Precision 3D Printer

A New Form of Stereo-Lithography for Consumer Use

By Andrew McCaskey

Formlabs, Inc displayed a novel 3D printer that’s within range of the serious hobbyist or tech enthusiast that offer unprecedented resolution for detailed work.

While most 3D printers are based upon a thermoplastic technique – essentially a precision position X-Y-Z glue gun. The layer resolution is typically around a millimeter. This system uses a photopolymer-based process, where a high precision system directs a laser across a tray of liquid resin and causes a thin layer to solidify, producing layers that are much thinner, on the order of 25 microns (.025 millimeters) The build platform then rises in preparation for the next layer. After thousands of repetitions, your part is complete with exquisite detail.


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