Ive built a 4x8 laser, 130 watt, wherein the tube actually rides on the gantry. I am trying to figure out how to collect the smoke and fumes that come out of the machine. I have built a metal enclosure with some hinged panels on the sides, and this works...it also does a good job of keeping stray beams from getting out, but I really don't like it because it makes collecting the materials too difficult. Since i do a good bit of etching, removing the fumes from underneath doesn't seem to be an option. The only thing I have come up with that seems like it would work reasonably well is building a room for it, or maybe some sort of hood contraption that raises and lowers from the ceiling, maybe with a recycled garage door opener...thought i would ask here if anyone else solved a similar issue?

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