Developable Surface(Under Construction!)
Moving System
instantaneous rotation: normals of each path are passing through pole at time t instantaneous translation: normals of each path are parallel
Developable Surface
Single Curved Surface evolute: trace of curvature center 曲率中心軌跡 PQ-strip PQ-mesh
Surface Development transition pieces
空間中兩條線段的雙一次內插,可以製造曲線。
Origami
Origami
https://langorigami.com/ http://jasonku.mit.edu/ https://kusudama.me/
ICPC 3568 4640 UVa 1446
Kirigami
Kirigami
https://caiguijiang.github.io/publication/2020_siga_kirigami/ https://en.wikipedia.org/wiki/Kirigami