Step 1: Select Window Cushion Style The first step in creating your window seat cushion is selecting a style that will best fit your window area seating. The window seat cushion styles we make are rectangle, trapezoid, rounded back corners and all four corners slightly rounded or just the two back corners. Place your mouse cursor over the window seat cushion shapes on the right to display the style details. Click on the style that will fit your window seating area the best and proceed to the next step. |