Paper folding | Origami

Rigid origami

Rigid origami is a branch of origami which is concerned with folding structures using flat rigid sheets joined by hinges. That is, unlike in traditional origami, the panels of the paper cannot be bent during the folding process; they must remain flat at all times, and the paper only folded along its hinges. A rigid origami model would still be foldable if it was made from glass sheets with hinges in place of its crease lines. However, there is no requirement that the structure start as a single flat sheet – for instance shopping bags with flat bottoms are studied as part of rigid origami. Rigid origami is a part of the study of the mathematics of paper folding, and rigid origami structures can be considered as a type of mechanical linkage. Rigid origami has great practical utility. (Wikipedia).

Rigid origami
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Origami par Marcel Morales - Construction de polyedres

Construction de polyedres Licence: CC BY NC-ND 4.0

From playlist Autres

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The satisfying math of folding origami - Evan Zodl

Dig into the mathematical rules and patterns of folding origami, the ancient Japanese art of paper folding. -- Origami, which literally translates to “folding paper,” is a Japanese practice dating back to at least the 17th century. In origami, a single, traditionally square sheet of pap

From playlist New TED-Ed Originals

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Unfolding the Future of Origami | Podcast | Overheard at National Geographic

Origami isn’t just child’s play– the math and science behind paper folding can revolutionize how we make all kinds of technologies. In recent decades, scientists, engineers and designers have pushed origami beyond its traditional roots and applied its patterns to fascinating technologies l

From playlist Podcast | Overheard at National Geographic

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Virtual Origami

Origami attracts the minds of people all over the world. Some are interested in its geometric aspects, and others in artistic or recreational elements, so-called traditional origami. Although both origami categories rely on a single notion of paper folding, their methodologies differ due t

From playlist Wolfram Technology Conference 2022

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Ten years of DNA origami

DNA origami is the art of folding DNA. The idea is to create tiny nanoscale machines that could work inside the human body. In the ten years since the technique was first reported the field has grown massively. Nature Video finds out how DNA origami works and what has been achieved so far.

From playlist Technology

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How origami is inspiring new kinds of emergency shelters

Engineers have come up with a way of designing structures based on the ancient art of origami. The structures can be put up with by inflation, fold up flat for storage and transport, and can be made of strong, rigid materials. One hope is that these structures could be deployed in disaster

From playlist Technology

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Lecture 6: Architectural Origami

MIT 6.849 Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Fall 2012 View the complete course: http://ocw.mit.edu/6-849F12 Instructor: Tomohiro Tachi This lecture presents Origamizer, freeform origami, and rigid origami applied to architectural and three-dimensional design cont

From playlist MIT 6.849 Geometric Folding Algorithms, Fall 2012

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Class 6: Architectural Origami

MIT 6.849 Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Fall 2012 View the complete course: http://ocw.mit.edu/6-849F12 Instructor: Erik Demaine This class begins with a folding exercise and demonstration involving Origamizer. A high-level overview of the mathematical constr

From playlist MIT 6.849 Geometric Folding Algorithms, Fall 2012

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Toric origami manifolds and origami templates - Tara Holm

Tara Holm Cornell University; von Neumann Fellow, School of Mathematics November 18, 2014 A folded symplectic form on a manifold is a closed 2-form with the mildest possible degeneracy along a hypersurface. A special class of folded symplectic manifolds are the origami manifolds. In the c

From playlist Mathematics

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The Origami Revolution Preview | NOVA

Engineers are using origami to design drugs, micro-robots, and future space missions. Airing February 15, 2017 at 9 pm on PBS NOVA on Facebook: https://www.facebook.com/NOVAonline NOVA on Twitter: @novapbs NOVA on Instagram: @nova_pbs

From playlist Previews

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Class 1: Overview

MIT 6.849 Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Fall 2012 View the complete course: http://ocw.mit.edu/6-849F12 Instructor: Erik Demaine This class begins with a folding exercise of numerical digits. Questions discussed cover strip folding in the context of efficienc

From playlist MIT 6.849 Geometric Folding Algorithms, Fall 2012

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Lecture 1: Overview

MIT 6.849 Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Fall 2012 View the complete course: http://ocw.mit.edu/6-849F12 Instructor: Erik Demaine This lecture introduces the topics covered in the course and its motivation. Examples of applications are provided, types and char

From playlist MIT 6.849 Geometric Folding Algorithms, Fall 2012

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Stanford Seminar - Computational Design of Compliant, Dynamical Robots, Cynthia Sung

Cynthia Sung, Assistant Professor at UPenn May 13, 2022 Recent years have seen a large interest robotics engineering and specifically in soft robotic systems, which provide new opportunities for machines that are flexible, adaptable, safe, and robust. These systems have been highly succes

From playlist Stanford AA289 - Robotics and Autonomous Systems Seminar

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Recent Advances in the Use of DNA as a Building Material

(February 2, 2011) Paul Rothemund presents his work using DNA as a building material in molecules and how he thinks this can affect the future of science. Stanford University: http://www.stanford.edu/ School of Engineering: http://soe.stanford.edu/ Stanford Center for Professional Deve

From playlist Engineering

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Lecture 13: Locked Linkages

MIT 6.849 Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Fall 2012 View the complete course: http://ocw.mit.edu/6-849F12 Instructor: Erik Demaine This lecture explores algorithms for unfolding 2D chains including ODE, pointed pseudotriangulations, and the energy method. Locki

From playlist MIT 6.849 Geometric Folding Algorithms, Fall 2012

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DNA Origami: Folded DNA as a Building Material for Molecular Devices - P. Rothemund - 5/25/16

"DNA Origami: Folded DNA as a Building Material for Molecular Devices" - Paul Rothemund, Research Professor of Bioengineering, Computing and Mathematical Sciences, and Computation and Neural Systems Learn more about: - Dr. Rothemund's Research: http://www.dna.caltech.edu/~pwkr - 2015 - 16

From playlist Research & Science

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Lecture 10: Kempe's Universality Theorem

MIT 6.849 Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Fall 2012 View the complete course: http://ocw.mit.edu/6-849F12 Instructor: Erik Demaine This lecture begins by defining folding motion by a series of folded state, linkages, graphs, and configuration space. A proof of

From playlist MIT 6.849 Geometric Folding Algorithms, Fall 2012

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Watch this origami fold itself

A combination of color printing and light makes a polymer assume complex 3D shapes. Learn more: http://scim.ag/2mBmnzp Read the research (free): http://scim.ag/2lDK2KM

From playlist Materials and technology

Related pages

Blooming (geometry) | Miura fold | Huzita–Hatori axioms | Origami | Flexagon | Kawasaki's theorem | Maekawa's theorem | Napkin folding problem | Net (polyhedron) | Bellows conjecture | Martin Gardner | Mathematics of paper folding | Yoshizawa–Randlett system | Kaleidocycle | Flexible polyhedron | Crease pattern