Morphable Metamaterial : Smiley cube
thingiverse
This is the STL files associated with a morphable metamaterial. Uncompressed, it has flat faces, but when compressed, its texture transforms into a smiling face. To function properly, these metamaterials need to be printed in flexible materials. For further information, view the related videos at https://youtu.be/9UfMrOa4wKs and https://youtu.be/NxcCtimWxn0. Additionally, consult the scientific paper published at http://www.nature.com/nature/journal/v535/n7613/full/nature18960.html, as well as the preprint available at https://arxiv.org/pdf/1608.00625.pdf.
With this file you will be able to print Morphable Metamaterial : Smiley cube with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Morphable Metamaterial : Smiley cube.