2D layers for 4D designs (IMAGE)
Caption
Although the printed origami sheets are essentially flat, they combine many layers of different inks atop and below the central heat-shrink sheet material. A primer helps inks stick to the sheet, even when wet. The black ink is what resists the shrinking to allow folds to take place. A white layer provides a blank canvas for a color layer. And a final clear layer protects all of those below.
Credit
©2023 Narumi et al. CC-BY-ND
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CC BY-ND