Customized version of https://www.thingiverse.com/thing:53916

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=53916

Using the following options:

isHypotrochoid = 1
Radius_of_fixed_ring = 32
Radius_of_rotating_ring = 2
Distance = 2
turns = 1
wallWidth = 1.2
Segments = 1000
twistCycles = 0.8
height = 200
layerHeight = 2
baseThickness = 0.8