K40 Laser Exhaust Coupler
thingiverse
The supplied exhaust fan for the K40 laser is, (let's just say) a bit clunky. An inline 100mm ventilator is quite a bit more powerful, and costs next to nothing. So this adaptor fits directly onto the back of the laser using the same mounting holes for the duct. I took out the original screws and replaced them with slightly longer M4 socket head screws. There is an option gasket included. It can be printed in TPU. or cut out from any flexible sheet. It will make the seal a little better, and will possible reduce sound from vibration. It's not necessary and it's your choice!
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