DeviantARTist Orsobrusco has made this excellent origami cobra from just one sheet of uncut, unglued paper.
Click the picture to see it fully sized.
Other impressive works from the artist: a motorcycle made of watches, a Flodererian origami pyramid, and an excellent origami Yoda.
(Orsobrusco’s DeviantART via Neatorama)
Have a tip we should know? firstname.lastname@example.org