Deep Slanted backdrop

right to left left to right

8 x 4 7.5 x 4 7 x 3.75 6.5 x 3.5 6 x 3.25 5.5 x 3 5 x 2.75 4.5 x 2.5 4 x 2.25 3.5 x 2 3 x 1.75 2.5 x 1.5 2 x 1.25