DYI air filter for the K40: In this video we create a DIY air filter for the K40 laser cutter. It is build from easily accessible materials and much cheaper than themercial versions. BLOG: http://wayofwood/diy-air-filter-for-the-laser-cutter AIR INTAKE ON THINGIVERSE: https://thingiverse/thing:4115273 ======= Tools/Supplies Used: – Axial fan: https://wayofwood/tool/axial-fan/ – G4 filter: https://wayofwood/tool/g4-filter/ – F7 air filter: […]