This is a basic IO shield blank for ATX / ITX motherboards. I seem to have need for this quite often, and I like designing my IO shields in OpenSCAD since it's quick and easy to cut out the right holes using code (faster in my experience than GUI tools).

So here it is.

This shield was forked and added to Thingiverse after I found it on @rvbg's mainboard-io-shields project.