test primo layer

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This first layer test for Bambu Lab printers serves to quickly and visually verify the correct Z-height calibration and adhesion to the build plate.

The grid pattern with circular points distributed at the corners and in the center allows checking for:

• First layer uniformity across the entire plate surface
• Correct adhesion of the filament (absence of lifting or separated lines)
• Flow and nozzle height: the lines must be evenly compressed, without being too thin or too 'spread out'

A successful first layer, as in this test, is essential to ensure reliable, dimensionally accurate, and defect-free prints in subsequent stages.
 

In my case, I had to adjust the Z-offset ( G29.1 Z{-0.020} ) - cool plate super tack.

If you are not an expert, be careful when working on the g-code of your Bambu Lab.