I needed to create a custom metal detector for use with a drone. To wrap my own wires through this using 2 separate coils (one on each side) I added a center rectangle with curved corners to be able to have the coils overlap.

Creality

Ender 3 Pro

Doesn't Matter

No

30 For added strength

Just print lying down so no supports or anything is needed. I resized it down to fit my printer at the largest I could and it took roughly 7 hours and looked nice