Image Item No. Description By  2401  Wedge, Plate 10 x 10 with 4 x 4 Cutout and Cut Corner Catalog: Parts: Wedge, Plate 7  47397  Wedge, Plate 12 x 3 Left Catalog: Parts: Wedge, Plate 1054  47398  Wedge, Plate 12 x 3 Right Catalog: Parts: Wedge, Plate 1052  30355  Wedge, Plate 12 x 6 Left Catalog: Parts: Wedge, Plate 31  30356  Wedge, Plate 12 x 6 Right Catalog: Parts: Wedge, Plate 28  15706  Wedge, Plate A-Shape with 2 Rows of 4 Studs Catalog: Parts: Wedge, Plate 3