Attached is a mesh created using a 3D scanner. The scan is of a window for a play structure. There is a left and right side and the model provided is only of the left. The right side would be a mirror image. The model would need to have an additional 2" of material added for fastening to the structure. I assume that a mold of each side would need to be created and then the replacement piece would be vacuum formed using 1/8" acrylic.