Intarsia is a form of wood inlaying that is similar to marquetry. The technique of intarsia inlays sections of wood of varied shapes, sizes, and species, fitted together to create a mosaic-like picture with an illusion of depth. Intarsia is created through the selection of different types of wood, using their grain pattern and coloring to create variations in the pattern. After selecting the specific woods for the pattern, the woodworker cuts, shapes, and finishes each piece. Some areas of the pattern may be raised to create more depth. The completed individual pieces fit together like a jig-saw puzzle, glued to a wooden backer-board cut to the outline of the pattern.