Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. 1H NMR spectra of the polymer precursors.
  • fig. S2. Differential scanning calorimeter curve of the polyurethane network.
  • fig. S3. Cyclic photo-programming and photo-erasing performance.
  • fig. S4. Scheme for spatio-selective photo-defining reversible actuation onto a 3D shape.
  • table S1. Photo-programming parameters for locally defined reversible shape memory materials (white area represents the exposed area of the sample).

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Other Supplementary Material for this manuscript includes the following:

  • movie S1 (.mp4 format). Cyclic reversible actuation of the 3D crane (accelerated by 15).

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