Starting points of circles not on same Y value

[Rick_Damoiseaux]

Hi,

I am currently working on a model for robotic filament winding and I am now working on the design of my model. I made a fairly simple initial structure where I shift points and thus get an anticlastic shape. These lines will intersect and I will use these intersection points to create rings (and then loft these rings with each other). However, these rings do not start at the same place which gives me problems with the further course of my design. I actually want all rings to start at the same place in point 0.

I added my grasshopper model and a picture of what is going wrong.
Geometrical part V3.gh (75.3 KB)

[inno]

if the problem is about this zig-zagging seam you get with the loft

the simplest solution might be to use Loft Options with Adjust Seams = True

in alternative you can change the Seam of each curve in such a way they are all aligned (in this case with axis X)

the GH file has both options, but I had to replace a component from Karamba (I don’t have that plugin, I think it was multiple curve intersection) with a standard one

Geometrical part V3_Re.gh (78.9 KB)