Time for my K40D baby to grow a little :) MGN sliders on all - Modifications - Maker Forums
Lengthen the K40 X-Axis linear guide rail : r/lasercutting
K40 40W CO2 Laser Cutter - Mods [der-frickler.net]
Download X Carriage Upgrade For K40 Laser Engraver Freecad 3D model
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
Download free STL file K40 linear rail upgrade • 3D printable model • Cults
Laser Surgery: Expanding The Bed Of A Cheap Chinese Laser Cutter | Hackaday