Smart Phones. Smart Homes. Now Smart Cooking?!?
Cooking devices that incorporate 3D printers, lasers, or other software-driven processes may soon replace conventional cooking appliances. Watch this video to see how Columbia engineers are working to implement such technology and hear them explain the pros and cons of 3D-printed food technology, how 3D-printed food compares to traditional food, and the future landscape of our kitchens.
Transcript
00:00:00 food printing today is a novel technique typically it involves one or two ingredients and rarely involves cooking in practice however most food prep involves many ingredients and cooking during the process here we try and push the limits of food printing to incorporate many ingredients and inline cooking we did this by constructing a seven ingredient Slice of Cheesecake our design went through multiple iterations before achieving a successful final print all designs used the same seven ingredients design one was a simple stacked layered structure structure crumbled when ingredients like jelly and banana puree cannot hold their shape under stress in our next design we leveraged more structural ingredients like peanut butter and Nutella to form pools for the jelly and banana puree to rest in the walls however were too thin and toppled easily from slight perturbations of the nozzle
00:01:27 to fix this we taper The Walls by making them thicker at the base and thinner at the top this proved more effective until the last layer of graham cracker was deposited and crumbled the softer ingredients underneath it thank you since graham cracker was the stiffest ingredient we decided to use it more throughout the construction for greater rigidity this worked a lot better but there was still significant smearing of ingredients throughout the internal structure which meant that we had to size up our model and provide more clearance for the food nozzle the deposit walls around the pooled ingredients foreign issue was this coiling effect especially visible with the graham cracker paste
00:02:49 to fix this we adjusted the offset height between successive layers and reduce the speed of the initial material deposition for our final design iteration we reduce the ceiling thickness of the last graham cracker layer we made the initial Z height for the Nutella lower to compensate for material sagging and we laser broiled the last graham cracker layer foreign who knows perhaps food printing might allow people to share a slice of pie even when they are far apart

