Programmable Shape-Changing System Through Origami Pop-Up Cells

Sareum Kim

doi:10.1109/LRA.2025.3588796

Programmable Shape-Changing System Through Origami Pop-Up Cells

2025-09-01

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DOI：10.1109/LRA.2025.3588796

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Developing shape-changing systems is challenging, and origami offers a unique approach by transforming 2D planes into 3D structures. While existing active reconfigurable origami systems enable functional changes—such as mechanical tuning, multi-modal locomotion, and adaptive structures—they often suffer from slow actuation, complex control, or large unit sizes. We present a compact, modular shape-changing system composed of origami pop-up cells that transition between a cubic block and a flat sheet. Magnetic connections enable easy assembly, rearrangement, and repair, ensuring robust actuation. A single 30 mm, 2.2 g cell transforms within seconds. Demonstrations include a 4 × 4 matrix and a 5 × 3 tangible letter-shifting display, showcasing the system's potential for physical shape-shifting applications.

Keywords:

Compliant joints and mechanisms

morphing structure

robotic origami

self-folding

shape-memory alloys

Programmable Shape-Changing System Through Origami Pop-Up Cells

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