Slidomatic polygonal prism

These twin twisting prism containers should slide into each other smoothly.
You can adjust the following parameters in customiser:

Render resoltuion: $fn=100;
Object height in mm
rotation in degrees (try 90, 180, 360)
thickness= object wall thicness in mm. My default value is very thin. Almost 1 layer.
Diameter of shape in mm: side
Base thickness in mm base (no need to modify this value)
space mm. This is about friction. Empty space between two shapes in mm's, Adjust this value so tha