Strap Spool Keeper (Spule Gurtband) 80 mm

Design inspired by:
jamesmay4847 https://www.thingiverse.com/thing:639631
cantloupe https://www.thingiverse.com/thing:2851610
scubieman https://www.thingiverse.com/thing:4143643

Inside diameter of the spool is larger. Now 80 mm
Diameter of the post in the centre is larger. Now 16 mm
Slot in the central post is larger. Now 5 mm
Added grooves around the outside for better grip while rotating.