Puzzlepiece Bluetooth Keyboard Tablet Holder

This is a flat-packing tablet-holder attachment for a bluetooth keyboard. All three pieces can be easily printed within a 120mm x 100mm area (~4.7in x ~3.9in), to a height of 5mm (~0.2in), and can be printed with low % infill and maintain rigidity.

It was designed for use with a 2012 Nexus 7 (though it should fit most other caseless tablets and phones), and a "BATTOP Ultra-Slim Bluetooth 3.0 Wireless Keyboard," currently $12 on Amazon (w/ Prime shipping available):

http://www.amazon.com/B