RepRap project unveils µRepRap micro-fabrication 3D printer design
The RepRap open-source hardware project has released details of the µRepRap, a 3D printer built from common materials capable of micron and sub-micron positioning. Its latest 'PIKA' V0.02 hardware achieves roughly 1μm repeatable positioning and 10μm accuracy within an 8mm cubic work volume, and has been used to deposit UV resin droplets as small as 4μm and cure 9μm resin lines using a fibre optic probe. An earlier 'MAUS' variant, now deprecated, reached about 5μm positioning over a 4mm square area and remains fully documented with build files on Printables.