Laser exhaust air diffuser
thingiverse
This is an air diffuser to help equally distribute air from a 4" inlet across the engraving bed. The hope is it will reduce vortices and direct air across the working area straight towards the exhaust. Note: Your enclosure does need to be sealed so that air is only brought in through this one intake. I have a Snapmaker so this is 320mm wide. Not hard to print but it will need some supports in the center.
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