Spotted on Father Rabbit, a New Zealand-based online shop: cross shower curtains by designer Catherine David (many other designs available as well).

Above L: The Cross Shower Curtain (“the perfect proportions of the crucifix—the human form”) is available in a dark silver gray print on a heavy opague or clear glass shower curtain; NZ $88 (worldwide shipping available). Above R: The White Cross Shower Curtain is NZ $88 at Father Rabbit.

Finally, get more ideas on how to evaluate and choose the various accessories for your bathroom in our Remodeling 101 Guide: Bath Accessories.