The ornamental design for a shower cabinet, as shown and described.
FIG. 1 is a perspective view of a shower cabinet in a closed position according to the present invention.
FIG. 2 is a perspective view of the shower cabinet illustrated in FIG. 1 in an open position.
FIG. 3 is a front elevation view of the shower cabinet illustrated in FIG. 1 in a closed position.
FIG. 4 is a rear elevation view of the shower cabinet illustrated in FIG. 1 in a closed position.
FIG. 5 is a first side view of the shower cabinet illustrated in FIG. 1 in a closed position.
FIG. 6 is a second side view of the shower cabinet illustrated in FIG. 1 in a closed position.
FIG. 7 is a top plan view of the shower cabinet illustrated in FIG. 1 in a closed position.
FIG. 8 is a bottom plan view of the shower cabinet illustrated in FIG. 1 in a closed position.
FIG. 9 is a front elevation view of the shower cabinet illustrated in FIG. 1 in an open position; and,
FIG. 10 is a perspective view of the shower cabinet illustrated in FIG. 1 in an open position together with environmental elements.
The dash broken lines shown in FIG. 10 represents environment and forms no part of the claimed design. The dash-dot-dash broken lines depict the elements surrounding the figure which form no part of the claimed design.