For the use with a nintendo pi: a mod for a cheap chinese 3.5" LCD like these:
http://www.aliexpress.com/item/New-3-5-flip-down-Car-LCD-Monitor-2ch-video-input-RearView-Camera-DVD-VCR-CCTV/642399875.html
(the ebay one i bought isn't available anymore but looks the same)

The frame is lasercut stained birch

I won't describe many details since it's pretty much a hack using way too much hot-glue. Some 3D printed features are not used or misused, best is to take the sketchupfile and modify it to your specific needs.