I used a random PLA for 3D Pen, and it works really good
Printer Brand: Prusa
Printer: [i3 MK3]
Rafts: No
Supports: No
Filament: Hatchbox PLA Copper
Notes:
One of this design is printed in Hatchbox PLA Copper
The author marked this model as their own original creation. Imported from Thingiverse.