Recent content by DrStein99

They took heavy tool boxes, filled with tools - to a scrap yard where it was chopped into bits and melted. Gauges, dials, indicators, posts - all the knuckles and miscellaneous parts I inherited from my father. I had several tool boxes, one just for traveling, and another one was spare brand...

The Edmund Optics was a good place to visit when they had the surplus retail store open. Then they sold it, and all the good stuff quickly vanished. I continued to collect stuff from there up until they shut the doors. Unfortunately, due to a theft - most of my good stuff collection is gone...

The hexagon mirror from laser printer WAS immaculate. I'm a smoker, and a slob - so who knows what condition it's in now. I am not going to pretend to clean that thing yet. A small spring clip looks like I might be able to remove mirror, clean it and re-install - but who knows if it's going...

I am building a laser rasterizing device. Aim a laser diode at a spinning 7 sided polygon mirror (from a laser printer) with a pulse from Arduino to create y axis, and combine this with x-axis slide. The 405nm diode will expose UV coated copper PCB material, to raster etch resist. I have my...