A customizable socket wrench for generating whatever size you need. The program does not include any "clearance tolerance" so adjust the size of the socket diameter in the Customizer (or OpenSCAD source) as necessary for your process.
Inspired by HPaul's wrench set for 5.5mm nuts:
http://www.thingiverse.com/thing:10905
Customizable_socket_wrench.scad | 2.2KB | |
M3_socket_wrench_5.7mmHexWidth.stl | 98.1KB | |
M3_socket_wrench_5.8mmHexWidth.stl | 98.2KB |