M3 M4 M5 screw cutting jig

I wound up with a silly amount of 40mm M3 screws that I will almost certainly never need and I keep running out of 20mm and 16mm screws, so I designed this simple jig to cut the screws.

I've made versions for M3, M4 and M5 screws, and I've also designed versions for cutting if you're **left handed** (they are marked with an "**L**" in the file names).

These hold the screw firmly and fit over the corner of a table or bench, so that the screw doesn't move while cutting with a hand saw and yo