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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Mater Today (Kidlington). 2017 Jul 8;20(10):577–591. doi: 10.1016/j.mattod.2017.06.005

Figure 5.

Figure 5

3D printing of shape memory thermoset polymers. (A) Shape memory Eiffel tower 3D printed by using high resolution projection microstereolithography (PµSL). (B) (i)3D printed shape memory folding structure. (ii–iv) The design of the folding box with some details at the hinges. (v–viii) Upon heating, the sheet of temporary shape folds into the box with self-locking mechanism. (C) A self-folding/unfolding flower. (i–iv) The sequence of reversible actuation. (v) The dried configuration is stiff and can carry a load of 25 g. Adapted with permission from [35, 41, 53].