Easy setup and auto shutdown - fast boot setup in just 30 seconds gets you drawing and creating quickly 2nd generation safety features, 3d pen will automatically shut down when not in use for over 5 minutes Easy handling - pen style, lightweight 2. 2Oz design makes this the most comfortable and ergonomic 3d printing pen available. Abs and pla filament - the 3d printing pen is compatible with both 1. 75Mm abs and pla filament. We recommend using 1. 75Mm pla filament Create in 3d - the 3d printing