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wow thanks I never thought about the focusing issue with ultraviolet light (stupid me). Yep I was speaking to DTR and 1watt units are easier to drive because of the 1000mA current (you can use those cheap and efficient constant current drivers for LEDs (like this). Added plus they wont get...

hey it seems I have a twin brother in france. :yh::yh: Im also building a laser cnc for stencils etc and Im also in the lookout to build a reprap mendel :) (having costum 3d parts, will certainly make my life easier on building the cnc, lol) maybe the next step will be a 3d scanner... I also...