About this 3D model

It's a 3D printed Z nut with screw M6.Printed with nylon fishing line.Nylon nut is very strength, smooth, no backlash and no wobble.Recomended layer height 0.15 mm for better print screw M6 with 1 mm steps.http://www.youtube.com/watch?v=tmoXreZrD-o&list=UUnyyenl1R2XbUurYMoan9Wwhttp://www.youtube.com/watch?v=NMUDsh3YjwUhttp://www.youtube.com/watch?v=CHxPvpeDKpI