Modified bathroom vanity. Cut a 5x7 hole in side of vanity and glue on a picture frame to exterior of vanity.
UrbanCatDesign: Modern Cat Furniture From the Netherlands
Catty Corner Litter Box Full-size convenience, space-saving design! Tuck it into a corner...this full-size cat box comes in a space-saving design! The Catty Corner litter box fits even in smaller rooms, but still gives your cat plenty of room to maneuver. Scatter Guard Doorflap keeps spilled litter to a minimum, while the handy sifting tray makes it easy to clean.