Customized version of https://www.thingiverse.com/thing:1562501

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=1562501

Using the following options:

points = 7
handleOuterDiameter = 50
handleInnerDiameter = 43
pointRadius = 10
handleThickness = 15
rTopFillet = 3
rBottomFillet = 2
baseDiameter = 20
baseHeight = 15
rTransitionFillet = 10
boltDiameter = 8
boltHeadDiameter = 7.5
boltHeadThickness = 15
boltHeadHeight = 0
boltHeadSides = 4
boltCounterboreDiameter = 0
rCounterboreFillet = 2
resolution = 0.65