I needed a flat wing nut easily secure my camera at desired angle. OpenSCAD to the rescue!
Depending on how close you were able to print the hole for the nut, you may need to heat the nut and press-fit it into the hole.
See also: http://www.thingiverse.com/thing:304798
NutKnob.scad | 670.0B | |
NutKnob.stl | 60.0KB |