I have a voronoi cell and I need to loft a surface between each edge and two parrallel segments. I want to create a tree where each branch contains three parallel segments and then apply the loft component.
Here is a picture of what is giving me headaches

I’m confused because I see the edges and I see only one parallel segment. Where is the second parallel segment?

Also, what do you want this to look like in the end? Is the goal just a polyhedron with offset holes in each face, or is the goal something more complicated that I don’t understand?

I’m going to have a look at this but I’m afraid it won’t solve my problem, I need to extrude separately each edge surface in order to have miter cutting between each piece…

ahhhh I understand what you mean now,
yes, my previous post was completely wrong then

the fastest way is to go with distance, the best way is to go through topology, this is by distance:
the following considers only the center points of each edge, and for each original edge it retrieves the two closest offseted ones

Thanks a lot Inno! I have now to apply your solution to the other faces left to construct, I’m very interested in the topology solution, but I will dig it by myself.

in general, the only problem I think you might encounter is when a small edge disappears as result of the inside-offset operations, like this edge at index 1:

using the closest middle-point method in the previous definition will fail in this scenario
theoretically speaking, you would still want an edge with length “zero” to be present

I have no idea how to tackle this, probably a completely different approach is needed (I think the native Loft component does not support points, only curves)