Shelf Bracket for a Cat Trap
Fleetinghttps://www.printables.com/model/1003451-any-size-parametric-90-degree-shelf-bracket-corner/files
strength, 20%, printed down with manual support
Then, I created one with a smaller eight to fit the door curves.
But with at least 20% infill, it is way better.
it broke this year, trying 100% infill