The best way to download your custom design is by:
Filling out the following information
Click "update preview"
Left-click the preview image to create a pop-up window.
Right-click the pop-up image and select "save-image-as"
Save the image as a png.
If you choose to add this to your cart, you must create a profile or sign in, complete check-out, and then find the preview in your account profile under orders.