This approach to 270° opening is popular for entertainment centers and the like. The door swings open on its pair of hinges to 180°. At the point where the door would normally bind (180°) the hinged vertical element of the face frame releases itself from a magnetic catch and allows the door to continue its swing to 270°.
Our cranked hinges can allow a door to open 270°. These neat Japanese hinges are machined from solid extruded brass section and are available to suit 3/4" or 7/8" material. They are available in polished brass, satin nickel plate and polished chrome plate.