Image Item No. Description  3747b  Slope, Inverted 33 3 x 2 with Flat Bottom Pin and Connections between Studs Catalog: Parts: Slope, Inverted  3665  Slope, Inverted 45 2 x 1 Catalog: Parts: Slope, Inverted  3660  Slope, Inverted 45 2 x 2 with Flat Bottom Pin Catalog: Parts: Slope, Inverted  60219  Slope, Inverted 45 6 x 4 Double with 4 x 4 Cutout and 3 Holes Catalog: Parts: Slope, Inverted