I don't get to focus the laser

Here is a problem I have though, I tried 3mm clear Perspex and the laser dont make anything to it, not even with high laser setting and low speed.

You’re right, i wouldn’t have expected it to cut either, but it was advertised as a module for cutting (video) and Snapmaker stated on the forum that it can cut trough (at least) 1,5mm plywood!

Its very annoying to set the focus, run the gcode multiple times and take off the material just to see that it didn’t cut, even on 1.5mm plywood.

@Snapmaker
A secure & reproducible process for this material (advertised by snapmaker for cutting) would be great, everything else is just a loss of time and material (and fun)

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