About this 3D model

Customizable Ear Plug with currently 6 design: Solid, Hollowed, Star, Heart, Positive & Negative Sign. [UPDATE] 2013 / 04 / 12 - Add Positive & Negative Sign. - Add "Part" parameter in customizer. - Add Multiple STL Outputs for dual-extruder. !For dual-extruder: remeber to set "margin" parameter to zero.