Floating Corner Shelf

I wanted a floating shelf to hold a shadow box in a corner over my desk. Just hold the shelf into the corner and use it as a guide for your 2" drywall screw, you'll grab onto a stud and this baby is sturdy(printed in PETG). You have about a 6" diameter surface to work with. If you flip the orientation, you can hide the screw head by placing the shelf below eye level, then you'll have a clean surface (after you clean the build plate residue). Maybe, try putting small plants or som