As Previous entry, "Rubber Buttons for Door Opening Remote Control" - http://www.thingiverse.com/thing:804309, except this might be printable.
I've kept the overhangs to 45°, and hopefully you can print this out of a semi-flexible material to make it usable.
This is for the circuit board I modelled
It you like it, please say so. It you make it, please share.