Trying Out the New Innofil3D EPR PET Filament - 3D Printing Blog
Amazon.com: MKOEM 16 Colors 1.75mm ABS 3D Printer/Pen Filament Refill, Each Color 3.5m, Total 56m ABS Filament Sample Pack, Support for MYNT3D / SCRIB3D 3D Pen, Not Compatible with 3Doodler Pen :