Objects created through the 3D printing process may be extremely versatile. However, once the printing is done, the objects are limited to one form.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/scientists-create-4d-printing-useful-solar-energy-and-aerospace
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/nature-world-news
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/space-technology
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientists
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electricity