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Related Experiment Video

Updated: Mar 30, 2026

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

Published on: February 4, 2013

Sequential Folding using Light-activated Polystyrene Sheet.

Yonghee Lee¹, Hyeok Lee¹, Taesoon Hwang¹

¹WCU Multiscale Mechanical Design Division, School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, 151-144, Korea.

Scientific Reports

|November 13, 2015

Summary

This summary is machine-generated.

Light absorption induces deformation in pre-strained polystyrene (PS) sheets near their glass transition temperature. This study demonstrates controlled, non-contact sequential folding of PS sheets using patterned light absorption for advanced origami applications.

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Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

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Published on: September 23, 2018

Area of Science:

Polymer Science
Materials Engineering
Optics and Photonics

Background:

Polystyrene (PS) sheets exhibit deformation when approaching the glass transition temperature.
Light absorption is a key factor influencing polymer behavior near critical thermal states.
Controlled deformation of polymers can enable novel manufacturing techniques.

Purpose of the Study:

To investigate the non-contact sequential folding of pre-strained polystyrene sheets using controlled light absorption.
To establish the relationship between line pattern design (transparency, shape) and folding performance.
To develop a technique for manufacturing complex self-folding origami structures from PS sheets.

Main Methods:

Utilizing pre-strained polystyrene sheets.
Applying controlled light absorption through line patterns of varying transparencies and shapes.
Experimentally evaluating the correlation between line pattern design and folding characteristics (angle, start time).

Main Results:

Sequential folding of PS sheets was successfully achieved by modulating light absorption via patterned transparency.
The shape of the line patterns directly influenced the folding angle and the timing of the folding process.
A direct relationship between line pattern design and folding performance was experimentally validated.

Conclusions:

A novel technique for non-contact sequential folding of polystyrene sheets has been developed.
The degree of transparency in line patterns is crucial for controlling the folding behavior.
This method enables the design and fabrication of complex, self-folding origami structures.