Parallel Ruler

Today's killing time.

The 3D printer that can print this will have high performance. It is data that can be integrally molded and printed.

Low-performance 3D printers are useless together.

Maybe you need a scale to peel off the support. It's like this.
https://www.amazon.co.jp/dp/B014KNV2KO/

Sharp the tip with a diamond file and use it.

https://denshiman.com/hinge.html