Printrbot Simple Metal Cooling Fan Duct

Adam here, with a very rough and unofficial design I made and thought I'd share. I was searching relentlessly for a cooling fan duct that would fit my printer which uses the Ubis 13s hotend, clip-on extruder cooling shroud, and blower fan. Every option out there was too short of a pipe, too tall of a hotend ring (scraping my prints), or just not meant for my setup. I made one myself and it seems to work great. I will note that I was lazy and did not measure the exact angle of the fan bracket on