Carpenter's Accordion

FIG. 1 is a front elevation view of a carpenter's accordion, showing my new design; FIG. 2 is a left elevation view thereof; FIG. 3 is a bottom view thereof; FIG. 4 is a rear elevation view thereof; FIG. 5 is a top view thereof; FIG. 6 is a right elevation view; and, FIG. 7 is a bottom-front-right perspective view thereof. Wherein objects of the environment illustrated in broken lines form no part of the claimed design.