Part I. Linkages: 1. Robot arms 2. Straight-line linkages and the pantograph 3. Protein folding and pop-up cards Part II. Origami: 4. Flat vertex folds 5. Fold and one-cut 6. The shopping bag theorem Part III. Polyhedra: 7. Durer's problem: edge unfolding 8. Unfolding orthogonal polyhedra 9. Folding polygons to convex polyhedra 10. Further reading 11. Glossary 12. Answers to exercises 13. Permissions and acknowledgments.
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