Best overall: HATCHBOX 1.75mm Black PLA 3D Printer Filament; Best for strength: PRILINE TPU 3D Printer Filament; ... The quality of your filament will affect the quality of your prints.

The Genesis of PLA-HR Filament. Biqu, a leading manufacturer in 3D printing materials, developed PLA-HR filament to meet the specific and demanding requirements of 3D printing airless basketballs.

They recommend drying PLA filament at 50 °C – 60 °C for eight hours, while Prusa recommends drying PLA for six hours at 45 °C (and PA11CF reinforced nylon at 90 °C).

The PLA filament (PLA is short for polylactic acid) allows hobbyists to 3D-print nostalgic novelties, replacement parts, and accessories that match the original color of vintage Apple computers.