Dryer vent heat shedder

I can’t call this a heat exchanger, as it doesn’t exchange any heat. It just sheds some of the heat from the dryer duct into the room. I am trying to keep some of the heat I paid to create, in the house, where I tend to hang out when it’s cold outside. I know …

I have some laser scans off of a ROMER arm of my cell phone and 2 tablets  (including…

I have some laser scans off of a ROMER arm of my cell phone and 2 tablets  (including a Nexus 7). They are saved in .IGS, .XYZ and .PSL formats. How can I convert these into a .stl I can use for my RepRap? I'd rather keep my few favors for the scanning and not the conversions …

Rebuilt build platform for my MakerGear Prusa Mendel RepRap with mirror

I rebuilt the heated build platform on my MakerGear Prusa Mendel. I’ve been having problems with it ‘eating’ glass. I didn’t recess the thermistor enough, so the glass would try to ‘bend’ over it, and break. These are 3D stereoscopic images. You can look at them crossed eyed and get the full effect. You can …

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