I found a test ruler here: It did the exact size, so everything must be fine except my other file go wrong in conversion So much to learn and take in

I rewrite G Code G20 (Inches) and image draws very big I rewrite G Code G21 (mm) and image draws very small (too small) Maybe the file did not con...

I think all is working. I test with a pen instead of spindle The file object is 40mm long but machine draws it at 8mm long What is wrong?

S420 profile works with S300 but work area S300 is smaller so different parameters. I do not know where to change this