This was almost suspiciously easy to set up and I’m not sure if it actually works, but made a T-shirt design with the back featuring large Torx logo with the framework name within it…
https://a-l-5.creator-spring.com/listing/framework-back-logo
Same setup I think as @CSab6482, have set to the zero profit level. @nrp of course happy to take down if anything amiss with this arrangement.