They tried this before with a very unconvincing and unsimilar copy with the Leonardo theory. Again, apparently with an amazing knowledge of first-century pollen strains from the Middle East. It’s not just the image that needs to be explained but the other organic material and evidence on the cloth. Type of cloth, weave, pollen strains, disposition of the body, first-century Hebrew burial techniques. So a mere copy doesn’t cover all the bases.
Wasn’t there something about how the crucifixion wounds are in a different spot than medieval people thought they would be?