LulzBot Universal Ball Joint
A fun fidget to print which shows many of the cool geometries that can be produced via 3D printing.
Printer: TAZ Sidekick 747
https://lulzbot.com/sidekick
Filament: 3D Fuel LulzBot Green Standard PLA
https://shop.lulzbot.com/3d-fuel-standard-pla-filament?ref=RM-PL0263