OK, as I suspected the other software is better… the Snapmaker runs quieter and the results are so much better.
This image of two burns says a lot about Luban. to keep within the 98mm square 2mm plywood borders, I set the size of the .svg file to 85mm in Luban and Lightburn. The Lightburn image is on the left and it is much larger than the Luban image, despite both being cut from exactly the same .svg file. The Luban image has a lot of smoke staining but the cut is reasonable. It has a much neater edge than the file you showed at post 21 and I enlarged in post 22. My conclusion there is that the wood was very open grained and this caused the image to not look particularly clean.
The Lightburn image has filled as much space as it can with the 85mm square image file and the cut is much cleaner. There is a small amount of smoke staining but I think that could easily be removed by moving the laser a little quicker.
The Luban image was cut at 45% power and a density of 7 with a workspeed of 140mm/min and a single pass. It was cut in just over 1 hour.
The Lightburn image was cut at 75% power and a speed of 306mm/min with two passes. It was cut in a time of 30 minutes.
For my money, it is no contest. The Lightburn image is better in every respect and would not require much tweaking to improve it and cut it in a single pass. I would leave the power where it is and add another 150mm/min to the speed of the cut. This would be to reduce the smoke staining seen.
The Lightburn density setting is a lot more complex but I set it to 100 lines per inch. It could stand being a little higher at 150 lines per inch and that would eliminate the horizontal lines you can see. Lightburn cost around 60 dollars but you can try it free for 30 days. I have been writing a little about it since I discovered it. It appears to be much kinder to Snapmaker and I love the files it produces. It looks a little more complex than Luban and takes a bit of learning. It is very well documented with lots of tuition videos as well. It is designed to run any type of laser machine.
You can read a little about it here: