There are lots of ways to make your own graphic T find one that you think will work for you and take a boring base product and make it something awesome.
Assessment criteria: Is it worth wearing?Sometimes we try ideas and they don't work out but this is a final project so if at first you don't succeed try try again.
Is it creative? is it totally your idea? is it mostly your idea with a strong influence from something else? Is it something you saw and just recreated?
Is it well designed? Does it have Balance Center of focus Intentional useof colour Font Visual message Contrast