Truby, Ryan L.
Lewis, Jennifer A.
Article History
Received: 30 May 2016
Accepted: 15 August 2016
First Online: 14 December 2016
Competing interests
: J.A.L. is a co-founder of Voxel8, Inc., a 3D-printing start-up company. J.A.L. and R.L.T. have filed patents on work related to the 3D printing of soft sensors and robots.