Chocolate 3D concept printer, made of chocolate easily into any shape. The research idea from Dr. Liang Hao of the University of Exeter in the UK, the 3D printer simply means that the current printer can only print the teacher's photo on paper, and the 3D printer can print out the suitable material The teacher's dummy is coming. Well, why do we use chocolate as material? This is because chocolate is inexhaustible (evil capitalism> _ <), and it will not be wasted no matter whether the experiment succeeds or fails. Because, no matter the success or failure, does not prevent it is still a lump of chocolate, can be used for reuse, but also points. - Look, this is the level of the level of ... ... Wood is too exciting yet.