Class 19: Refolding & Kinetic Sculpture 
Class 19: Refolding & Kinetic Sculpture
by MIT / Erik Demaine
Video Lecture 37 of 40
Copyright Information: Erik Demaine. 6.849 Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Fall 2012. (Massachusetts Institute of Technology: MIT OpenCourseWare), http://ocw.mit.edu (Accessed 25 Jan, 2015). License: Creative Commons BY-NC-SA
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Date Added: January 25, 2015

Lecture Description

This class first covers research findings involving common unfoldings of boxes. Several examples of kinetic sculptures and machines are shown, including Theo Jansen's Strandbeests and Arthur Ganson's works at the MIT Museum.

Course Index

Course Description

This course focuses on the algorithms for analyzing and designing geometric foldings. Topics include reconfiguration of foldable structures, linkages made from one-dimensional rods connected by hinges, folding two-dimensional paper (origami), and unfolding and folding three-dimensional polyhedra. Applications to architecture, robotics, manufacturing, and biology are also covered in this course.

This is an advanced class on computational geometry focusing on folding and unfolding of geometric structures including linkages, proteins, paper, and polyhedra. Examples of problems considered in this field include:

- What forms of origami can be designed automatically by algorithms?
- What shapes can result by folding a piece of paper flat and making one complete straight cut?
- What polyhedra can be cut along their surface and unfolded into a flat piece of paper without overlap?
- When can a linkage of rigid bars be untangled or folded into a desired configuration?

Many folding problems have applications in areas including manufacturing, robotics, graphics, and protein folding. This class covers many of the results that have been proved in the past few years, as well as the several exciting open problems that remain open.

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