The finger joints help create a much stronger connection to form each layer. This join is so strong because of the large surface area created between the two surfaces. I plan to use a laser cutter to cut out these layers which will ensure that it all fits together accurately.
This is the second layer;
The triangles on the bars will be cut from the middle 5 of the 11 layers that make up the bike. This means that the tubes of the bike will be partially hollowed out to save on the weight of the overall frame without compromising strength.