@article {253506,
	title = {3D Printing Soft Materials: What Is Possible?},
	journal = {Soft Robotics},
	volume = {2},
	number = {1},
	year = {2015},
	pages = {3-6},
	author = {B. Trimmer and J.A. Lewis and R.F. Shepherd and H. Lipson}
}
