It fits on standard nesting boxes with 120x120 square (90x90 inner) and replaces the top cover.
Printed in PETG with 15% infill.
No support needed.
For the screw connection, the holes are designed as M3 core diameter (2,5mm) - best cut a M3 thread.
Livestream and more can be found here: https://piepshow.breest.eu
The author marked this model as their own original creation.