Having a 3D printer without filament is sort of like having a regular printer without paper or ink.  And while a lot of printers come with some filament there's a good chance you've been printing up a storm and need something new. That's why we've started carrying a complete line of 3D printing filament in a variety of colors!This PLA 1.75mm Teal 1Kg spool is a great basic material for 3D printers. 1.75MM diameter, PLA filament works best with PrintrBot...