This is the infinity Cube. By now a well-known 3D-printed Fidget toy.

Print Settings:
Standard for whatever you use. No supports.

Tips:
Use 100% infill. The Heavier this thing is, the better the hinges work.

Troubleshooting:
It's stuck and does not move. Try enabling bridge settings in your slicer. You can also try using another filament brand.
Btw. this will not print in PETG.