Diagrid lines not straight

[Joseph_Oster]

I went ahead and implemented the spiral intersection. It doesn’t look great.

Got the python spiral from @martinsiegrist here:

Spiral within a Lofted sweep surface

I would first of all orient the geometries on the origin instead of using an additional circular curve elsewhere. [image] Use a python script to create a cylindrical spiral and the Sporph component to morph it from a reference cylinder to your revolved surfaces. [image] spiral_inside_revolution.gh (19.7 KB)

It’s one line of code:

a = rs.AddSpiral(point0, point1, pitch, turns, radius0, radius1)

I highlighted the most important parameters in blue groups:

Spiral intersection:

Fan intersection:

Tower 5_2023Sep20a.gh (548.1 KB)