Grand Piano [pdf]

A Grand Piano from a single uncut square! A model made only with intermediate folds - no sinks, spread-squashes, or precrease-heavy collapses involved!
Be sure to look ahead a step or two to see where the process is heading.
A 10" sheet of foil is recommended for this project.

Gallery of all my original works here:
http://www.flickr.com/photos/danielbrown/sets/72157624711169906/