[header] How to hang a sun shade [title] Spread the sun shade out in the designated area. [step] While you can simply measure instead, spreading the fabric out will give you a much better idea of what it will look like when it's installed. You can move it around and adjust where you want it to go. 
[substeps] Keep in mind you can install sun shades at an angle from the ground, which will reduce some of the width or length of the shade, depending on how you angle it. [title] Determine where you will attach the shade.