I guess it all depends upon your personal interpretation of "quality".
The illusion of 3d, made with old stereo cards, those old photographies from the 19th century that contained two different views of the same subject to give the illusion of depth. He converts them into pseudo-3D GIF images which can be seen without glasses, in your monitor. [Stolen from Giz]
Some excellent images here. Crafty idea, very well executed. http://www.flickr.com/photos/balakov/sets/72157602602191858/
pretty rad, reminds me of the lego escher shit.