A little bit about light

I’ve been giving myself a crash course refresher on light over the last new months. It started when I picked up a used Laser Cutter and wanted to figure out how it cuts with light. What I’ve written here is my understanding of things. I may be wrong, if so, please let me know in …

I tried using my laser engraver to strip paint and mark the metal.

The paint stripping worked remarkably well. I also tried using some dry moly lube as an engraving agent. This also works well. The laser can't touch metal, the metal acts like a mirror unless much more powerful than I have.  In album 1/22/17 Using the laser to strip paint. One pass doesn’t do a …

Watercooling my MakerGear Prusa RepRap

I’ve been fighting with printing 1.75mm PLA. The thicker brass in the hot end causes the heat to creep up more and make the ‘melt zone’ so long and sticky that the printer jams up. So, I fixed this issue. With one of my aquariums. I am now water cooling my hot end.

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