Scale in rooms, such as the 2:3 ratio, is not only pleasing to the eye, but also vital to letting all the furniture pieces fit in with each other. This example exemplifies the ratio and the golden rule of three originally relates too the holy trinity, but in interior design, the rule of three is the most pleasing to the human eye because it is the largest number a person can notice without having to count. This lets the viewer be at ease.

THE LAW OF EMPHASIS: SCALE