Color classification
Three layer Square (21.65in*9.84in*49.21in)
Four layers of squares (21.65in*9.84in*61.42in)
Five layers of squares (21.65in*9.84in*72.05in)
Three-layer inclined frame-Black (19.69in*11.02in*39.37in)
Three-layer inclined frame-White (19.69in*11.02in*39.37in)
Four-layer inclined frame-Black (19.69in*11.02in*46.85in)
Four-layer inclined frame-White (19.69in*11.02in*46.85in)
Five-layer oblique frame-Black (19.69in*9.84in*55.71in)
Five-layer oblique frame-White (19.69in*9.84in*55.71in)
Three-layer flat frame-Black (19.69in*9.84in*44.09in)
Three-layer flat frame-White (19.69in*9.84in*44.09in)
Four-layer flat frame-Black (19.69in*9.84in*55.51in)
Four-layer flat frame-White (19.69in*9.84in*55.51in)
Five flat frame-Black (19.69in*9.84in*65.35in)
Five flat frame-White (19.69in*9.84in*65.35in)