My Customized fan nozzle for 40mm fans

thingiverse

Human: Customized Version of http://www.thingiverse.com/thing:130917 Created with the Customizer Tool on http://www.thingiverse.com/apps/customizer/run?thing_id=130917 Settings Used nozzle scale: .75 times normal edge radius at nozzle tip: 1 unit wide nozzle tilt adjusted to 18 degrees above level wall thickness around nozzle exit hole set at 1 unit mounting hole angles precisely: 90, 270, 0, 180 degrees extruder length at the nozzle set at 30 units nose width or nozzle tip clearance at extrusion head is .1 inch number of extrusions made through this point per unit set at 100 units and number of circles in polygon calculations using spherical equations for precision is set at 64