Snap in parametric hole cover

This is a parametric snap in cover to go in a hole in sheet metal (or whatever)After printing out new handles for our screen door ( http://www.thingiverse.com/thing:9882 ) there were 4 extra holes left over that were intended to be used if the door opened the other way.Now they are filled in... --- Imported from Thingiverse: https://www.thingiverse.com/thing:9904 Original creator: jag