It looks like a lot of work and, of course, the 3D printer is really only making the mold — this same process would be true of any carbon fiber process where you had a mold or something to wrap.
Advances in filaments for FDM 3D printers have come in leaps and bounds over the past few years, and carbon fibre (CF ... [James] started by printing some test pieces with a 0.5 mm and a big ...
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This is a version of the K1 meant to print carbon fiber filament, and it has a trimetal hotend that doesn't use the little plastic pipe, but metal all the way through from the extruder to the nozzle.
3D printer manufacturer MarkForged, known for its innovative, super strong, carbon fiber 3D printing capability ... LulzBot prints 40-60kg of filament per day (Note: the average spool is ...