We developed an inverse-design technique to compute growth factors and directions in order to grow elastic bilayers from any shape into any other shape. The movie demonstrates an example of this: an initially flat elastic bilayer sheet grows into the Horseshoe Bend Canyon in the Colorado River. Growth factors (colors) and directions (lines) of the bottom (left) and top (right) layer are shown. For more details see the scientific article dx.doi.org/10.1073/pnas.1709025114 .
Partial credit: Etienne Vouga and L. Mahadevan
Elevation map of the canyon obtained from United States Geological Survey (USGS) elevation data