Tape Loops

Fascinating deep-dive into various aspects of tape loops: https://www.guerrilladigital.cc/2021/03/10/i-spent-the-last-two-weeks-researching-and-making-endless-cassette-loop-tapes-and-this-is-what-i-learned/

Infinite tape loop 3D printed mechanism: https://www.printables.com/model/1094047-universal-length-cassette-tape-loop

Case working jigs: https://www.printables.com/model/1339383-cassette-tape-work-jigs

Tape splicing block: https://www.thingiverse.com/thing:6753280