Customized version of https://www.thingiverse.com/thing:4445719

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=4445719

Using the following options:

Clockwise = 1
BladeNumber = 2
PitchInches = 3
DiameterInches = 8
PitchMM = 0
DiameterMM = 0
Sections = 50
PitchAdjustmentHub = .6
PitchAdjustmentTip = 50
MaxChordLength = 20
BladeSweepFinalAngle = 50
ThicknessFactor = 2.5
BladeTipHeight = 0
BladeCurveHeight = 1.5
CenterlinePosition = 35
HubScrewHoleDiameter = 4
HubDiameter = 17.1
BladeConnectionDistance = 15
HubCutoutDiameter = 20
HubThickness = 7.5
HubSag = 0
HubPinDiameter = 0
HubPinPitchCircleDiameter = 0