Grumpy Old Geeks Topics 3D printed food Topic 3D printed food 2 mentions in 1 episode The hosts discuss a proposed printer for making food from component ingredients during space travel. Mentions 15: The Boys are Back in Town Jul 9, 2013 17:27 NASA is currently working on a 3D printer to make food. 18:40 a true 3D printer fabricating the different toppings from their component ingredients