Peter Cook and Becky Northey are tree shapers. Their designs are so ten years ago; but still worth a post.
Materials used: water, sunlight, soil... and a sprout planted in 1998 of course. An examplary image of sustainable furniture.
View more designs here
Via boingboing.net | pooktre.com |Related: How to Grow a Chair | Bone Chair | Treetrunk Bench | Growing a Hidden Architecture