Parametric BNC dust cap sysnop

There are already existing designs for BNC dust caps, but I needed one that could protect my measurement tools without "gap" between the connector and the front plate. This simple design will do just that, it can be parametrized to fit any lenght of connectors and can be easily screwed with at max 1/4 of turn.

To get the scad source, please go to http://www.thingiverse.com/thing:620943, because scad files cannot be uploaded here ...