The ornamental design for a curved shower enclosure, as shown and described.
FIG. 1 is perspective view of the front surface of the curved shower enclosure of my new design showing it being affixed to the opening of a shower.
FIG. 2 is a perspective view of the back surface of the curved shower enclosure of my new design.
FIG. 3 is an front elevational view of my new design.
FIG. 4 is a real elevational view thereof.
FIG. 5 is a right side elevational view thereof.
FIG. 6 is a left side elevational view thereof.
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken line elements in FIGS. 1-8, depicting a shower including walls and faucets, represent environmental elements, and are not a part of my new design.