My Customized Snap-Fit Blower Fan Duct ()

thingiverse

Customized version of http://www.thingiverse.com/thing:1109880 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1109880 Instructions Using the following options: cylinder diameter = 40 cup height = 25 tip width = 6 notch length = 11.85 elbow angle = 100 degrees base bolt height = 3 inches outer length = 25 inches radius = 22.5 inches thickness = 1 inch tip distance from base = 60 inches clearance around notch = 0.5 inches base mounting diameter = 20 inches counterbore for base bolt = 10 inches fan bolt diameter = 4.4 inches mount thickness = 6 inches notch width = 2 inches elbow inner radius = 0.05 inches tip length from top = 15 inches nut height = 2 inches number of facets on shape = 250 diameter of nut = 7 inches outer width = 17 inches base bolt diameter = 5.4 inches offset from notch edge = 0.91 inches fan mount diameter = 11 inches distance between mounts = 25 inches notch position relative to edge = 1 inch