Test Lab Hooks - for Aluminium Section

This design holds an airline to the aluminium frame of our test lab.

~RELAGATED TO WIP AS NEWER, BETTER VERSION AVAILABLE~

Size Ø16 & Ø12:

http://www.thingiverse.com/thing:642899

The Test Lab is made of a standard Aluminium Section Beams - no idea what they are called : PM me or add a comment below.

I've added a hole and boss either side of the hooks after version 1 so that two can be pressed together once in posiiton and that will stop them rotating out of the slots.

I've upd