Another Wall Control Accessory. Works with amazon special machinist square set. Will need support for the pins, I didn't want to make the part an inch wider just to eliminate the need for supports when printing
https://www.amazon.com/Woodstock-D4089-Machinist-Square-4-Piece/dp/B005W16YSO/ref=sr_1_10?keywords=machinist+square&qid=1693599565&sprefix=machinist+%2Caps%2C165&sr=8-10
The author remixed this model.