Create a Spiral Curve onto xy , xz and yz World Planes and Manipulate it By 4 Factors (Radius 1 , Radius 2 , Turns and Height. Maybe You Need To Do That by Quick Way .
Rhino-Ferronnerie (RHINO-IRONWORKS in english is composed of a vast library of 3dm blocks and parametric tools developed with Grasshopper and grouped in a Rhino toolbar.