In 3D printing you need pieces that can fit together into each other, not merely tile together. It should however be quite interesting to extend the soft cell s

In 3D printing you need pieces that can fit together into each other, not merely tile together. It should however be quite interesting to extend the soft cell shapes to also fit together while preserving softness. Perhaps it is possible that the shown saddle-like shape in Fig 6, Panel 4 of the PNAS Nexus article can serve this purpose, but it is not clear how.