Summary

How often have you been unsure whether an object is really at right angles in the laser or whether you are really lasering exactly where you want to?
I have created a jig here, with which you can insert objects very precisely.
It works for me to the nearest mm without measuring or using the camera.
You get a new machine zero point here. For example, if you want to engrave a block with 10cm to 10cm, you only have to draw it in the XCS and move it to the coordinates X65 and Y25 and you can be sure that you are engraving very accurately. When cutting, I always leave at least 2mm space to avoid damaging the jig.
Why X65 and Y25? Because then you can also use the detail camera, as it does not reach all the way to the left.