The full adder is a common electronic circuit designed in most begginer electronic switching circuit courses. The full add provided here is constructed using AND, OR and XOR gates.

The two input bits are A and B and the sum is S with carry Co.

Three print formats are provided.

A note on how the circuit was drawn. It was drawn using power point and then saved as a bit map image of "jpn" file. The flash forge 3d printer can upload an image and based on colour map colout to thickness. This makes it easy to design simple 3-D structures using colour to represtn the thickness axis.