Customized version of https://www.thingiverse.com/thing:16807

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=16807

Using the following options:

shaftDiameter = 27
clampWidth = 20
clampThickness = 2.6
clampLegLengthFromShaft = 12
clampLegGap = 10
clampScrewDiameter = 3.5
shaftToMountPlate = 0
mountPlateThickness = 5
mountPlateLength = 38
mountHoleSpacing = 30
mountHoleDiameter = 3.5
screwHoleSmoothness = 6
clampSmoothness = 60