Hello, I am going to have my first tabbed box cut. It will be made of 6mm birch plywood. I don't know which kerf value to encode in the box designer (Tabbed Box Maker for Inkscape). I suppose it's better to choose a value which would be a bit too small rather than too big? Currently I have set it 0.22mm according to some website whereas the shop where I plan to have the cutting done tell me toby amundsen - Laser Cutter Working Group