Skylar Tibbits spoke at TED 2016 about 4-D printing . Tibbits : ` ` The idea behind 4-D printing is to have movement over time '' 4-D printing could create images without sensors or motors .
Skylar Tibbits spoke at TED 2013 about 4-D printing . Tibbits : `` The idea behind 4-D printing is to have change over time '' 4-D printing could create robotics without wires or motors .