Derrick Castle Patch Design Process Video Posted by joebarondesign on September 24, 2012 Posted in: americana designs, derrick castle, native, native headdress patch, patch design, skulls, urban threads. Leave a comment Derrick Castle is an illustrator who’s work I’ve noticed a lot more recently and I think he deserves some recognition. The video above is his process for a patch design that he had the opportunity to do. Final Image: