I think you’ll get varied responses to this question. If someone has copyrighted their designs and only sells them in hard copy then putting their design into electronic form and sharing would be against the copyright. Modifying it slightly to get around this could also be against the copyright. That said I’ve seen a number of designs in books that are listed and posted by others and open files online. It’s quite possible very similar designs are out there. Also have not personally heard of anyone going after anyone for infringement. For the USFG, we will only post designs on our database with the authors approval. Some of the initial files only gave permission for pdfs to be shared.