>reach for a couple boxes of magnets I have stashed on the side of my printer, between it and the wall
>barely bump the power switch with my hand
>printer turns off mid-print
>there's a "resume print" functionality, but it's shit because the power loss causes the stepper motors to relax, and the Ender doesn't account for this, so the nozzle ends up like half a millimeter below where it was and drags across the print
>instead, cancel the print and slice a new gcode that starts where the previous print left off
>this works
>print finishes
>realize that I put the pause for the magnet insertion at the wrong layer because I put it in when I still had a skirt enabled and when I removed it, it reduced the layer count by like 100
>whole print ends up going in the trash because the layers are bonded so tightly I can't split them apart without destroying the piece
I guess the lesson is "don't put your hand near the power switch."