1. Use Polygon, set up three Number Sliders for Radius (R), Segment (S), Fillet Radius (Rf)
2. Use Move twice to extract the two polygons, use Unit Z to make them follow the Z direction. Add Number Slider following Unit Z
3. Pull up an Offset Curve for the three Polygons
4. Add Rotate for the bottom and top polygons
5. Use Loft Command to connect the three Polygons
6. Use Deconstructed Brep
7. Use LunchBox command to add pattern
Parametrics 