3D printing used to make creepy crawly meals Creepy crawlies are not normally considered a viable meal, but a new installation called 'Insect au Gratin' at London's Wellcome Collection is hoping wet appetites for a different kind of dinner. A team of designers, food scientists and engineers have used 3D technology to create 'insect cookies', as a palatable way to counter food consumption problems. Images and soundbites.