These are articles posted by The Fold editor jane.rosemarin (who may or may not be the author; see byline for authorship). The Fold is the online magazine for members of OrigamiUSA. New articles are posted continuously over the two month period of each issue. To contribute to The Fold or for other questions, please see our FAQ.
A double-sided spiral diamond from one sheet of paper. Sy Chen based this design on his earlier two-tone diamond, which appears on the OrigamiUSA website. Links to both models are in the article.