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Tachi Lab (Origami Engineering)
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The lab explores foldable structures and new materials through the geometry and computation of origami.
AboutAbout the lab
Finding fascination in the shapes around us
The Tachi Lab studies the relationship between the shapes of three-dimensional forms and the way structures function, with the aim of making it possible to design them.
Starting from finding the shapes around us fascinating, the lab interprets them using geometric and computational methods.
Its main themes are origami, which deals with the shapes and motions created by folding paper, and structural tessellation, which fills surfaces and space with polygons or polyhedra.
Possible applications include temporary buildings that shift between a flat-folded state and a rigid three-dimensional state, and devices that control heat, light, and sound.
Key terms
- Tessellation
- A tiling that completely fills a surface or space, without gaps, by arranging polygons or polyhedra
- Deployable structure
- A structure that can be used by unfolding it from a compactly folded state. Possible applications include temporary buildings
- Algorithm
- A procedure or set of computational rules used to have a computer carry out processing
ResearchResearch themes
The lab aims to clarify the relationship between the shapes of three-dimensional forms and the way structures function, and to realize deployable structures and cellular structures with special functions. Its research combines geometric and computational theory with the hands-on practice of making physical objects.
*Illustrative imageComputational Origami
Research on the geometry and algorithms of origami. Work includes methods for designing a variety of three-dimensional shapes from a single sheet of paper, analysis and design of deformation mechanisms, and design of stiffness and flexibility.
*Illustrative imageStructural Tessellation
This theme clarifies the relationship between tessellation and the way structures function. Research includes curved-surface deformation of plates with cut patterns and the fabrication of curved surfaces by combining origami modules.
*Illustrative imageConnected Forms
This theme deals with the mechanisms by which simple shapes connect under fixed rules to form a whole. Starting from making shapes by hand, the lab searches for seeds of research that span art, science, information, engineering, and mathematics, and also creates and presents works.
MembersFaculty
The members of the Tachi Lab consist of faculty, project researchers, academic specialists, and doctoral and master's students.As of 2026
- ProfessorTomohiro TachiPublications ↗
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Origami semi-periodic tessellation” Origamicke / CC BY-SA 4.0 (cropped)
- Computational Origami: “Miura-ori origami tessellations” Origamicke / CC BY-SA 4.0 (cropped)
- Structural Tessellation: “Meta-aux-orange” Bigspaggio18 / CC BY 4.0 (cropped)
- Connected Forms: “2014 Origami modułowe” Jacek Halicki / CC BY 3.0 (cropped)
- Related lab (Ikeda Lab (Architectural Informatics)): “ICD Research Pavilion 2011 Stuttgart 01” MSeses / CC BY-SA 4.0 (cropped)
- Related lab (Miyata Lab): “Faculty of Engineering Bldg.1 Tokyo University 2010” Wiiii / CC BY-SA 3.0 (cropped)
- Related lab (Imai Lab): “Tokyo Shinjuku Oka2” Okajun / CC BY-SA 3.0 (cropped)
- Related lab (Obuchi Lab (G30)): “3D-Druck-Haus Wallenhausen 01” Looniverse / CC BY-SA 4.0 (cropped)
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