That's my second version of my mesauring hook. No scale but the tape mesaure is way more close to the working piece. So you can mesaure more precisly. Furthermor I added an other angle: Now you have: 45° - 90° - 135° - 225° . Have fun.

also look at my other more versatile version with scale: https://www.thingiverse.com/thing:3026519