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Takezawa Lab
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A structural optimization lab that creates ideal shapes with 3D printing.
AboutAbout the lab
Ideal shapes, derived by computer
The Takezawa Lab studies structural optimization, a design technique.
The lab handles the entire process on its own, from computer-based design that determines optimal shapes to fabricating test specimens and verifying their performance.
It particularly focuses on research that combines this approach with technologies for making metal and lattice structures with 3D printers.
Key terms
- Structural optimization
- A technique that uses computers to find the best structural shape for a given set of conditions
- Topology optimization
- A structural optimization method that determines, with complete freedom of shape, where to keep material within a component
- Lattice structure
- A structure that can be made with a 3D printer and has many gaps (voids) inside
NewsLab news
A student's paper was published in Additive Manufacturing
A doctoral student's paper was published in an international academic journal
A student's paper was published in Materials and Design
A student's paper was published in a heat transfer engineering journal
A student's paper was published in a thermal engineering journal
ResearchResearch themes
Centered on structural optimization as a design method, the Takezawa Lab studies the entire process from creating new shapes to fabricating test specimens and evaluating their performance. It particularly focuses on design techniques combined with 3D printing (metal additive manufacturing).
*Illustrative imageTopology Optimization
The lab studies topology optimization, a design method that allows the shape of a structure to be determined freely. It is a technique well suited to 3D printing.
*Illustrative imageDesign for 3D Printing
The lab studies design for additive manufacturing (DfAM), techniques that take advantage of the geometric freedom unique to 3D printing. In particular, it focuses on developing lattice structures with internal voids.
*Illustrative imageFabrication with Metal 3D Printers
The lab studies how to reduce the warping of parts made with metal 3D printers by designing the internal lattice structure.
*Illustrative imageArchitected Structures with Negative Thermal Expansion
The lab studies how to build structures that exhibit negative thermal expansion, appearing to shrink when heated, by 3D printing layers of two materials with different coefficients of thermal expansion.
MembersFaculty
The Takezawa Lab's members consist of faculty and doctoral, master's, and undergraduate students.As of 2026
- ProfessorAkihiro Takezawa
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
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On a 4-point scale, ● marks where students' answers fall
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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: “Fluid-structure-interaction-pressure-field-topology-optimization-4” Chrlundg / CC BY-SA 4.0 (cropped)
- Topology Optimization: “Vein skeleton of a leaf (de-ghosted)” Brocken Inaglory / CC BY-SA 3.0 (cropped)
- Design for 3D Printing: “Torregrotta geodesic dome 2023” Alphacentauri2007 / CC BY-SA 4.0 (cropped)
- Fabrication with Metal 3D Printers: “Cracked and dried mud at the beach” Jon Sullivan / Public domain (cropped)
- Architected Structures with Negative Thermal Expansion: “A pine cone” Petar Milošević / CC BY-SA 4.0 (cropped)
- Related lab (Amano Lab): “Industrial pipes and tanks at a plant in Japan - 63v )” Kenny Gil / CC BY 3.0 (cropped)
- Related lab (Saito Lab): “John Day River mouth” Sam Beebe / CC BY 2.0 (cropped)
- Related lab (Yamaguchi Lab): “Disassembled chiller heat exchanger” Rsparks3 / CC0 (cropped)
- Related lab (Arao Lab): “Graphite found near Mautern” Kritzolina / CC BY-SA 4.0 (cropped)
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