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  • Convert Any 3D Printer to Laser Engraver

    Tech2C did this on his Hypercube design. See I copied him on my DIY printer, but I didn't have quite the same result. No matter how many passes, I can't seem to cut all the way through 3mm Birch plywood. It just produces a wide cut with a lot of ash. To even start to cut acrylic, I have to remove the paper first, which he doesn't.You can easily cut card stock for papercraft projects, but it leaves a lot of ash on the edges that gets all over things. And don't cut too slowly, or you'll set the paper on fire! Same with cardboard.The real problem is the smell. Both wood and acrylic really stink up the place! You'll either want to move the whole thing outside, or build some kind of box and vent around the thing. Even after I did that, engraving wood for a couple of hours stank up t...

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    Tech2C did this on his Hypercube design. See I copied him on my DIY printer, but I didn't have quite the same result. No matter how many passes, I can't seem to cut all the way through 3mm Birch plywood. It just produces a wide cut with a lot of ash. To even start to cut acrylic, I have to remove the paper first, which he doesn't.You can easily cut card stock for papercraft projects, but it leaves a lot of ash on the edges that gets all over things. And don't cut too slowly, or you'll set the paper on fire! Same with cardboard.The real problem is the smell. Both wood and acrylic really stink up the place! You'll either want to move the whole thing outside, or build some kind of box and vent around the thing. Even after I did that, engraving wood for a couple of hours stank up the apartment for days.

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  • mgoodfel commented on Vulcaman's instructable Vulcanus V1 Reprap 3D-Printer 300€1 year ago
    Vulcanus V1 Reprap 3D-Printer 300€

    You can find all the OBJ files here: http://www.free-the-memes.net/misc/GeyserDown.zipI'm not sure what you'll get out of it. GeyserDown.obj has the complete design, minus a few nuts and screws. The various pieces also have their own files. Let me know if there's anything missing.I was thinking of doing an Instructable on my design, but I'm still not completely happy with it. I used a bed level probe like my PrintrBot, but I'm not getting really good results with it. I also didn't have a fan on the extruder, and I probably should. So there's at least a bit of redesign still to come.

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  • Raspberry Pi 3 Model B : A Beginners' Guide

    I had no trouble using an HDMI monitor with the Pi 3. For input, a wireless mouse and keyboard worked fine. The tiny little adapter sits on the USB port and takes no space at all. For power, I used the little brick off my Samsung tablet. It outputs 5v at 2A. The Pi plugged into my home router via ethernet just fine. I used WinSCP to move files into it from my desktop.For grins, I sent over a large OpenGL project I've been working on. It all compiled, but unfortunately the OpenGL implementation wasn't up to spec. It did run some of the code though.

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