K40 40W CO2 Laser Cutter - Mods [der-frickler.net]
K40 Laser Gantry Bracket - 21mm OD Linear Bearing (AWPYJC84T) by swinks
K40 laser improvement with rails | 3D CAD Model Library | GrabCAD
I have decided to upgrade my K40 by building a new frame supporting the XY rails and to increase the cutting area to 620mm X 450mm | K40 Laser Cutting Engraving Machine
Free STL file K40 linear rail upgrade・3D printable model to download・Cults