The Allen Project (Allen Wrench Handle)

http://www.youtube.com/watch?v=pmzHZmHMyjs

The M3 Allen Wrench is the most elusive tool in the history of REPRAP.

Not to mention small if you have a large hand.

So here is my design for an allen wrench handle.

Features:
Swivels on the base
Magnetised to hold M3 on tip
Easy to tear apart in a pinch

I have not explored SCAD but this would make a great candidate.