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Keywords:

  • three dimensional structures;
  • self-assembly;
  • elastic membranes;
  • polymer thin films
Thumbnail image of graphical abstract

Based on the stress-induced rolling membrane technique, complex three-dimensional structures are designed, such as tubes with wrinkled walls, tubes-in-a-tube, and spiral structures. Narrow PDMS strips are used instead of the whole PDMS top layer, thus obtaining tubes made of the bottom polymer.