2. Minimalist Line Art Diptych

When decorating a smaller bathroom, complex patterns and busy images can make the space feel cluttered and cramped. A minimalist line art diptych—a set of two coordinating pieces—offers a sophisticated solution. These pieces typically feature continuous, single-line drawings of abstract faces, botanical stems, or soft human forms set against a neutral, off-white, or beige background.
The beauty of a diptych lies in its ability to draw the eye upward, creating the illusion of a taller ceiling. Hanging them side-by-side with a two-inch gap between them ensures they fit perfectly within the width of the toilet tank. Keep the frames identical and ultra-slim to maintain the clean, modern aesthetic. This style works exceptionally well in contemporary, Scandinavian, or mid-century modern bathrooms where simplicity is key.