FIG. 1 is a top, front, right perspective view of a positioning device for prone position;
FIG. 2 is a top, rear, left perspective view thereof;
FIG. 3 is a bottom, rear, left perspective view thereof;
FIG. 4 is a bottom, front, right perspective view thereof;
FIG. 5 is a top, front, right exploded perspective view thereof;
FIG. 6 is a bottom, rear, left exploded perspective view thereof;
FIG. 7 is a front elevation view thereof;
FIG. 8 is a rear elevation view thereof;
FIG. 9 is a top plan view thereof;
FIG. 10 is a bottom plan view thereof;
FIG. 11 is a right, side elevation view thereof; and,
FIG. 12 is a left, side elevation view thereof.
The dash lines, the areas within them, and the unshaded areas bounded by broken lines and solid lines depict portions of the positioning device for prone position that form no part of the claimed design. The dot-dash lines depict the boundaries of the claim and form no part thereof.