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Fume Extractor w/ Detachable Duct — image 1
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Fume Extractor w/ Detachable Duct

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Attachable duct hose for NM96's fume extractor. Reprint for full function, or just screw in directly to existing print.

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Tools
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Creative Commons — Attribution — Noncommercial

A fume extractor per NM96's design modified to accept a detachable duct hose such that extracted air can be directed out of a window or a vent. Attachment can either be attached via a hook and clips (use 18 gauge wire to fashion the latch like in pics, using the included box to help bend it - I drilled small in the side to grip it), or be screwed in permanently via heat inserts on the back of the extractor - may as well have both options, I figure. The 4" duct hose gets anchored to the back attachment via a simple metal tie that these typically come with. 

Finally, the extractor can be attached to a desk lamp arm (like this one) via holes in the base. 

This could be upgraded with a back half foam piece to fit directly under a window, with potential for another fan to expel the air at the end, and/or another fan in the hose attachment to make for a push/pull system. Neither is necessary for my purposes, so I probably won't bother making them.

 

Print extractor and attachment on their circular faces with organic supports - infill and print height shouldn't really matter. Print latches 15mm height on one side with snug supports. 

Some pieces might need cajoling/adjusting. I used a cut 3mm rod for the latch hinges, but you could just use M3 screws. Feel free to comment pre-print with questions/concerns.

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