Triangle Bedroom Design . They will give you privacy with a bit of romance and with a bit of style. Triangles in interior decoration are use in a multitude of formats. triangles and on Behance Bedroom design, Interior design, Mandir from www.pinterest.com Triangular house designs may be the answer for you. Wall corner pointing at the berth. The triangle is the home’s leitmotiv, appearing in the cantilevered bedroom module and the steps approaching the entrance.