Fenghuolun in solved state. The Fenghuolun, aka the Windmill Cube or Hot Wheels Cube because of a unique pretty pattern which can be made with it, is a cube manufactured by YJ Cubes.. The Fenghuolun in its "windmill" state. To get the "windmill" effect shown, from the solved state do F2B2L2R2 or (F2R2)3 Y2 (F2R2)3.