Lightburn 1.7.04 (Quick – Blueprint)

For those currently running 1.7.00 through 1.7.03, here is why you should update immediately:

Update to LightBurn 1.7.04 immediately if:

Stay on LightBurn 1.6.x for now if:

Q: I upgraded and now my laser doesn't fire. A: Check "Edit -> Device Settings." The update sometimes resets your "S-Value Max" to 1000. If you have a diode laser, change it back to "255" or "100%."

Q: The new "Perforation" cut isn't working. A: You must assign it to a specific layer and ensure the color is set to a "Dash/Dot" pattern in the top toolbar. It will not work on standard solid lines. LightBurn 1.7.04

Q: Can I roll back to 1.7.00? A: Yes, but you shouldn't. 1.7.04 contains all fixes. If you need to roll back for a specific controller, use the official archive.

Q: Is the LightBurn 1.7.04 license free? A: If you already own a LightBurn license (yearly or perpetual), it is a free update. If your subscription expired, you must renew to access the download. For those currently running 1

Fiber laser users have historically struggled with marking large areas due to "field distortion" (barrel or pincushion distortion). Version 1.7.04 introduces a refined 3-point and 5-point calibration routine. The algorithm now better compensates for lens aberrations, resulting in truer geometry when marking over 200mm x 200mm fields.