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Laser-cut fume extractor design #3DThursday #3DPrinting

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Laser-cut fume extractor design from µblog:

I have constantly been looking at ways to make my home workspace more convenient and safer for PCB fabrication/prototyping. I switched to all lead-free products several years ago but have been using a pretty janky setup for fume extraction: a 120mm fan with the charcoal filter attached to one side. It worked well enough, but I wanted to make something a little better. I wanted to have the fan out of the way, with some hose, so it would not take up too much room on my actual table. I decided to design something in Autodesk Inventor to be fabricated out of acrylic. The idea is that a standard hose would be attached at the top and that the whole assembly can be mounted on my rack. The results are pretty good, the suction works well, with the key downside being that it is louder than commercial units which are more expensive. The files are attached, both in Inventor format and as DXF outlines. The material thickness was 0.250″ for the backplate and 0.175″ for the rest. The DXF units were in inches, so the tube OD can be measured there.

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Read more.

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