Origami-Inspired Snap-through Bistability in Parallel and Curved Mechanisms Through the Inflection of Degree Four Vertexes. - Bok Seng Yeow; Catherine Jiayi Cai; Manivannan Sivaperuman Kalairaj; Feng Wen Hoo; Zu Xuan Lee; Janice Chui Shien Tan; Jian Rong Ho; Vienna Minhui Ma; Hui Huang; Hongliang Ren 001 (ICRA, 2021)