shutter is part of:

shutter contains:

Full expansion for shutter:
   100%  Window Shutter (1x4x3 compatible)
   100%  1x1.5x2 Small Classic Shutter
    50%  1x3x5.6 Rounded Castle Door
    50%  1x4.6x7.5 Rectangular Castle Door
    50%  1x4x2.5 Barn Half-Door
    50%  1x4x5 Barn Door
    50%  1x5x9 Rounded Castle Door