A new ELEGOO patent application describes a mechanical approach to making multi nozzle FFF 3D printers easier to set up and switch.
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DISH Pushes Volumetric 3D Printing To 0.6 Seconds
A Tsinghua University team claims sub second volumetric 3D printing with fine features, and the trick is moving the optics instead of the resin.
Joshua Bird’s Open-Source 4-Axis Printer Eliminates Supports
A very interesting – and inexpensive – 4-axis 3D printer concept has appeared.