Double Arc Twist
In this grasshopper example file you can model a parametric surface based on two arcs and the cover it with triangular panels.
Ribbon Twister
In this grasshopper example file you can model a twisting surface based on a sphere.
Worley Noise Column
In this grasshopper example file you can model a parametric worley noise on a cylindrical mesh.
Maelstrom
In this grasshopper example file you can create a polar grid of cones and apply the maelstrom effect on them by using the Maelstrom component.