Rounded Enclosure for 8 Channel Relay Module Extension Board

UPDATE 10/3/2014: I have reuploaded the scad file so that it is now compatible with thingiverses customizer.
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Made this for an 8 channel relay module extension board a while ago that was just sitting naked in a lunch ware container. Note this design does not include screw hole, I was too lazy.

This design has an IO port for the digital pins you need to connect to, as well as the ports cut out for the relay connections.
I have mine hooked to a r