Half inch bolt spinner for hand-tightening

I modeled this for work where I normally need to partially screw in and unscrew 1/2 in bolts.  It includes a hole at the top for a lanyard or other string so you can tie it to something/yourself.

This model could be parameterized for use on various bolt sizes, but I only needed this one size, so I didn't do any others.

ABS or ASA 100% for strength, although for my purposes PLA at 50% did just fine.

Plate supports necessary for the center portion.