Save your machine and material settings - kerf, fit calibration, and laser parameters persist between sessions and export directly to LightBurn.
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New Machine
Click a color to add it, then type what it does. Click again to remove.
Click to add / remove:
New Material
Leave blank to use defaults (Loose +0.10, Snug 0, Tight −0.05). Positive = more gap, negative = press fit. Defaults are tuned for plywood. Acrylic is brittle - set Tight to 0 or slightly positive to avoid cracking. MDF is consistent; defaults usually work. Use the Calibrate button on your material card to measure values for your specific setup.
Loose
Snug
Tight
Speed in mm/s (LightBurn default for CO2; diode users divide mm/min by 60). Min power is for acceleration zones on CO2 - leave 0 for diode. These fields export directly to LightBurn's material library.
Speed mm/s
Min Pwr %
Max Pwr %
Pass
Air
Cut
Score
Engrave
Fit Calibration Strip
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Cut both pieces from your target material. The slotted piece has 9 slots ranging from tight (left) to loose (right). The peg piece has one tab drawn at your material's nominal thickness. Press the peg into each numbered slot and note which feel is Loose, Snug, and Tight.
Which slot fits how?
Press the peg into each numbered slot. Tap the slot number that gave each feel. Slot 5 is the theoretical snug point for your kerf.
Loose - slides in with a slight gap
Snug - firm hand pressure, solid fit
Tight - press-fit, requires force
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