Needed this to connect my sanding downdraft box to my Shop-vac which uses a 1.25" hose. Also 90 degree to go from out directly to down so this can sit at back of workbench. This is rev2; added reinforcement spine to help handle hose weight over time (makes this fitting very rigid). Printer on Flashforge Creator Pro, with ABS, fast print, 30% infill, 230C extrusion, 110C heated bed, with raft and supports