Post #3238538
2026-06-06 00:23 UTC
The #RepRapMicron #3Dprinter just produced this "Hello World" with a dot spacing of 8μm. That's the size of a human red blood cell, and the accuracy of the Intel 4004 CPU feature size. Positioning is good down to sub-4μm but the point and the Sharpie ink film start smudging up badly. The advance is due to a new mechanical touch-sensing probe tip assembly.
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