Mechanical Pencil Collection

Mechanical Pencil collection is a set of illustrations to show the evolution of a favorite writing tool. Each pencil represents a unique feature of the types. The left one is a pencil that dispenses led when the grip is bent. The colorful pencils are the general pencils available. The one on the right is a pencil that is a part USB. Each were illustrated to show the features by showing the action, physical image, and the internal features.