This trapezoid shape has a back that is parallel to its front. The left side and the right side are of unequal length, and neither side forms a right angle with the front or back.

If your cushion more closely resembles one of the similar shapes below, please click on it to use that shape instead:

Right Trapezoid

Equilateral Trapezoid

Slanted Trapezoid

Parallelogram

Four-Sided shape with no parallel sides