Installing Raspiberry Pi A+

1. Insert Pi at an angle, with the corner going in first. 
2. Press down and align up ports with the cutouts.
3. Fasten four #4-40 Phillips machine screws into the mounting hoels.
4. Place the cover over the top with the cutouts aligned up with the GPIO headers and camera/display ports. Press down to snap it into place.

Usage

You can stick this on to any surface using adhesives, double stick tape, zip ties or mounting tack.  Add little rubber bumper feet to keep it gripped onto your work surface.