Hi, I have a problem with the coordinate system. This is what I have drawn in lb (all settings standard, zero is lower right) : [lightburn_xy] This is what came out of the laser: [laser_xy] The laser reference point is also in the lower right. The positive x-movement of the laser is in the d…

Good morning, check the machine settings to see if the X/Y axis swap is enabled. It’s located under Laser Tools - Device Settings - Basic Settings. Let me know how it goes.

I saw that options but as I understand it, it ‘just’ rotates the coordinate system. That won’t help me here. The output would have the right orientation but the machine axis would be wrong. Or am I misunderstanding that option?

It looks like your output has an Y=X swap applied already like this: [image] If your “Swap X/Y Output” is not currently enabled, then you would need to do enable it now if you want to swap axes. Try this: Enable ‘Swap X/Y Output to Laser’ Select one of the rotate 90deg , and ‘OK’: [image] T…

I did what you told me, but the output is exactly the same (I made sure that I used the new file). What else can I try?

Can you post your device for us to check? Export - Devices - LightBurn User Guide The Devices window shows all the devices you've added to LightBurn. Use this window to add new devices, Import and Export devices, and manage existing devices. User Bu…

lcnc_device_export.lbzip (4,0 KB) test_189752.nc (1,5 KB) I got a warning that the file was saved in 2.1 while I have 2.0.5. There was also a warning during the gcode export that I didn’t have a graphic selected. I have also exported my test file three times while changing the options from none, …

[image] poesel: nice if you would allow ‘*.ngc’ as up loadable suffix because There is very little information in a GCode (.nc, .gc, .cnc, .ngc, .txt, etc.) that is useful for diagnostics. It is much better if the .lbrn2 file is uploaded. It contains all the information used to create the GCo…

Well, I was specifically asked to upload gcode, and I’ve also included the lbrn file. And I just noted, that this forum software doesn’t allow the upload of gcode with the suffix which Linux CNC uses. That is all. I don’t understand what you are trying to say here.

[image] poesel: don’t understand what you are trying to say here. What I should be saying is “My mistake”! I did not spot @parsec did ask for the GCode. Yes, a nuisance, but they have a lot of filters to block unwanted files masquerading as good ones. I am wondering if your LinuxCNC would loa…

It’s interesting that the ‘Swap X/Y Output to Laser’ option does not seem to affect the output of your ‘LinuxCNC’ device (it worked fine on the GRBL type) so I’ll dig into that… You could try this ‘Custom GCode’ device as attached which may be closer to what you need? but just be very careful with…

Flipped coordinates

LightBurn Software Questions

parsec (FerAS) May 21, 2026, 8:56pm 14

It seems that your machine homes Back-Right. Read along and post if you have more questions: