The ornamental design for a fold-out pet bed, as shown and described.
FIG. 1 is a front perspective view of a fold-out pet bed in an open position, showing our new design;
FIG. 2 is the front elevation view of the fold-out pet bed in an open position;
FIG. 3 is the left side elevation view of the fold-out pet bed in an open position, the right side elevation view being a mirror image thereof;
FIG. 4 is the top plan view of the fold-out pet bed in an open position;
FIG. 5 is the front perspective view of the fold-out pet bed in a closed position;
FIG. 6 is the front elevation view of the fold-out pet bed in a closed position;
FIG. 7 is the left side elevation view of the fold-out pet bed in a closed position, the right side elevation view being a mirror image thereof; and,
FIG. 8 is the top plan view of the fold-out pet bed in a closed position.
The broken lines depict environmental subject matter and form no part of the claimed design. The back and bottom of the fold-out pet bed are unornamented and not being claimed.