Fig. 4: Autonomous 2D-to-3D transformation.
From: Up-and-down transformable embedded ink writing strategy for soft 3D architectures
a–d Structural fabrication workflows. (i) CAD-derived 2D patterns, (ii) pressure/velocity-gradient-driven dynamic transformation processes, (iii) resulting 3D architectures, (iv) photographs of the 3D structures. a Graded-spiral, b curvilinear, c double-helical, d tetrahedral. e Branched vascular structures. (i) 2D pattern, (ii) printed planar pattern, (iii) schematic illustration of the designed 3D vascular networks, (iv) biomimetic vascular architecture via TEIW. Scale bar: 1 cm.
