Fantastic color choice for the crystal. It looks a lot better than most.

No freaking way those are 3d printed! If so, you’ve got serious talent. Very nice :o

PETG is truly a pain!! You’d think with a plastic used in water bottles, it would do better with moisture. I recommend the brand CC3D if you want something reliable (and ultra cheap!) Also remember that PETG needs more room between the nozzle and the build plate (higher z offset) so that the filament doesn’t stick to the nozzle and make a mess :)