K40 Air Duct
thingiverse
This is a replacement air duct designed specifically for typical Chinese K40 laser cutter machines, compatible with standard 100mm tubes.\r\n\r\nSome padding or sealing may be necessary depending on the exact dimensions of the brackets at the back of your machine.\r\n\r\nI've included the original Fusion 360 design file as well as an STL for the complete air duct. However, it was too large to print easily on my Prusa i3 MK3, so I also provided files for a version where the air duct is cut into three parts that are easier to print and then glued together. (I wasn't concerned with aesthetics.)
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