Science Technology The Best 3D Printer-In-Action Video Ever By Lloyd Alter Design Editor University of Toronto Lloyd Alter is Design Editor for Treehugger and teaches Sustainable Design at Ryerson University in Toronto. our editorial process Facebook Facebook Twitter Twitter Lloyd Alter Updated October 11, 2018 Video screen capture. Youtube Share Twitter Pinterest Email Science Space Natural Science Technology Agriculture Energy 3D printing may well be the future of how we make things, but there is a lot of waste, and it uses so much plastic. That's why TreeHugger is so excited about this new printing medium, Easy Cheese. I have noted before that building materials should be healthy enough to eat, but Andrew Maxwell-Parish takes it to a whole new level.