Random polygon displacement during cutting and random lines during engraving - happens rarely, but still

Resources Common Problems
1

IMG_20200603_163045
IMG_20200603_1630453488×3488 2.25 MB
IMG_20200603_161614
IMG_20200603_1616143488×3488 2.98 MB
IMG_20200210_161152
IMG_20200210_1611522610×4640 3.34 MB
IMG_20200305_113659
IMG_20200305_1136592610×4640 3.47 MB

2

It’s interesting how much this:
image

Looks like this:
image

Odd coincidence?