Molecular Model of a Diamond

A diamond is a regular combination of carbon atoms with four arms. Since this unit has four arms — long and short — you can express a diamond crystal by combining the units. The resulting model also makes a pleasing display. In one hour we can fold several modules and combine them into three or four levels, which are glued to make the model stable. The model requires 7.5 cm x 7.5 cm paper, one color for each level— 1, 2, 4, 6, 9, 12, 16