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K. Mundilova, T. Wills:
"Folding the Vesica Piscis";
in: "Proceedings of Bridges 2018: Mathematics, Art, Music, Architecture, Education, Culture", issued by: Eve Torrence, Bruce Torrence, Carlo Sequin, and Kristof Fenyvesi; Tessellations Publishing, Phoenix, Arizona, 2018, ISBN: 978-1-938664-27-4, 535 - 538.

Inspired by a sculpture by Susan Latham, we study a two-parameter family of shapes obtained by folding two overlapping circles, so that their boundaries coincide and the involved surfaces are cylinders or cones. Through determination of explicit parametrizations, we prove their geometric existence. Furthermore, we find a one-parameter subfamily, where the creases are circular in their development.

http://archive.bridgesmathart.org/2018/bridges2018-535.pdf