Redbrickman
Printer Master
This one will be handy if you are like me and do some model making where hand drills are "handy" for drilling soft materials. Also useful for reamers which I use when changing the tuners in some guitar headstocks. No more sore hands from reaming.
https://www.thingiverse.com/thing:4606218
https://www.thingiverse.com/thing:4606218