I always remember back at school the first thing to be eaten at lunch wasn’t my sandwiches, I always dug down to the bottom of the lunchbox for my Trio Chocolate Biscuit! The Trio was discontinued many years ago but has just recently been re-introduced not long after this was originally posted.
RichRap (Richard Horne) is a 3D Printing expert who came up with the idea and posted a video on Youtube to show how he did it. As always with 3D Printing and food, please be mindful to use a food safe filament!
Check out his detailed blog post here