Next goal... replacing the connecting rod while the engine is running?
u/Economy-Web-2143 — 24 days ago
▲ 1 r/Laserengraving
Co2 laser engraving contact lens code
A CO2 laser engraving machine I built for a contact lens manufacturer to engrave codes on the edge of the lenses.
5W Synrad tube, beam attenuator, beam expander, 70x70mm f-theta lens.
u/Economy-Web-2143 — 27 days ago