![]() Now the computer technology at its core is pretty much the same. And the machine doing it costs less than $1,000 compared to the $500,000 prize tag for a basic CNC mill. The material wasn’t removed but added layer by layer. It was just like when I was in college 25 years ago and I watched a fully automated CNC machine mill a part out of a solid piece of metal. I was fascinated and glued to the printer watching how the plastic got extruded out of the nozzle and the bead was laid down by the extrusion heads motion. It took me just 30 minutes to start printing. ![]() ![]() A few weeks ago my new 3D printer arrived and after unpacking, initial setup and table calibration I was printing my first part, a ball bearing. ![]()
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