Railcore II 300 ZL Electronics Box Corner Wago and Heatserts

This is the https://www.thingiverse.com/thing:3542340 modified for heatset inserts. It's for WAGO 222s (old style). If you have the new style WAGOs (221s) print this one: https://www.thingiverse.com/thing:3914814

Initeq (Amazon) inserts will work fine, available here https://www.amazon.com/initeq-M3-0-5-Threaded-Inserts-Printing/dp/B077CJV3Z9