These are articles posted by The Fold editor all (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.
There are too few origami artists who decide to make their living out of folded paper. One of them is Mark Bolitho, whom I met in Saragossa as one of the BOS representatives in the first European Congress. This is a story of a man who took a bold step to follow his heart!
Curved-crease origami can be designed by considering the properties of ruling lines, lines on the crease pattern that remain straight in the 3D folded form. This technique was developed by David Huffman, who identified conic section curves has being particularly suitable for curved-crease designs. Two examples using ellipses are given as crease patterns.