Diagonal Shower Tile . Browse 89 diagonal shower on houzz whether you want inspiration for planning diagonal shower or are building designer diagonal shower from scratch, houzz has 89 pictures from the best designers, decorators, and architects in the country, including beautiful kitchens and bath and julie fifield. Immaculate diagonal pattern wall marble shower tiled also. Diagonal Tile Houzz from www.houzz.com For the upper half of the wall, i will lay the tile on the diagonal. Diagonal tile bathroom shower stall with arches and two niches. Lay tiles in an irregular pattern.