Ruler for manuel focusing the laser, remixed from the orginal xtool ruler. A bit smaler than the original, and with scored "material" at the bottom and "top of laser" at the top. https://support.xtool.com/article/980
Put the basswood on some triangular prisms for air flow. Remember to put settings for hight for use of triangular prisms. Make sure the red dot are hiting the wood for automatic focus or messure you material to type in manualy.
Pleace the designe on the material and hit send. Then push the butten on the machine.
here is some more info for how to use and the original xtool ruler for download.
https://support.xtool.com/article/980