SlideTab Surface Creation System

This edge lock system for paper and plastic works great for realizing meshes from thin sheets of material. It avoids the negative accumulated error common with the classic glue and tab method of construction. Instead the edges have enough freedom to adjust towards the perfect position.

Look here for more examples:
www.shadowfolds.com/SlideTab
http://www.flickr.com/photos/shadowfolds/sets/72157625779410170/