Walk through a traditional Japanese room. The lattice behind shoji screens isn’t random. The square or diamond grid is a katashiki—a repeat pattern that filters light, defines space, and creates visual rhythm. Kumiko (wooden latticework) takes this further, with geometric katashiki so precise they need no nails or glue.
Together, katashiki refers to —a repeat motif that isn’t just decoration but organizes space and meaning. Unlike a single emblem (mon), katashiki is repetitive, structural, and rhythmic. katashiki
Once you know the term, you’ll see katashiki everywhere—not just in Japan. Any qualifies: Walk through a traditional Japanese room