Technical report demonstrates shape reconfiguration in 4D vat photopolymers via controlled thermal stimuli, highlighting the role of coupled material architecture and programming workflows.
This white paper describes 4D shape-memory VPP photopolymers, where printed parts can be programmed to change shape or recover geometry under controlled stimulus after printing. 4D shape-memory behaviour requires coupling between polymer network architecture, transition temperature, programmed deformation, recovery cycle, part geometry and service environment. The material is not only printed; it is programmed through a defined thermo-mechanical workflow.
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Juan Segurola (2026) studied this question.
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