My Customized Parametric Golden Spiral Fan Duct v0.1

thingiverse

Customized version of http://www.thingiverse.com/thing:236144 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=236144 Instructions Using the following options: scale_factor = 10 corner_radius = 4 direction = -1 $fn = 24 mount_side = 40 phi = 0.618034 layer_height = .5 fan_diameter = 38 ball_radius = 5 duct_height = 15 perimeter_extrusion_width = .5 wall_thickness = 2 screw_distance = 32 screw_diameter = 2.8 ball_inset = .8 fins = 5 mount_height = 4