The injection molded connector on my blowgun was terrible, misaligning the two tubes by at least half a degree. This parametrically designed created one reduces that dramatically, with webbing designed to keep it durable. After printing, chase the hole with the appropriate sized drill or reamer, or it'll be almost impossible to separate them again without damaging one or both ends.No raft needed, prints as one piece. Clean hole by hand with appropriate size drill bit after printing,