Maybe the dumbest question ever asked

but I still need an answer.

I need to join the two surfaces together and have no Idea how to achieve that except for “nonmanifold merge”. Even if I extend or loft the surfaces together and the intersect shows the whole edge as an intersection line the commands join and boolean union won’t connect the surfaces together, it seems so simple so I’m really scared to ask, but I’m out of ideas. “nonmanifold merge” would merge the surfaces together even if they don’t touch so I have no idea how reliable that method is. It seems like there should be a quick and simple solution for this problem, but I can’t find one

Hi Kamil -

That is, indeed, the answer.

It is likely to fall apart in down-stream workflows.
-wim

ok, I’ll see your question and raise you a question…

what are you actually trying to make?

if you are making a model for some sort of production this will lead you to many dead ends.

surfaces, even a sheet of paper have thickness. so instead of two planes, you actually need two boxes…

greatly exaggerated for scale and emphasis, but you actually want this-

which you can do in rhino no problem-

i guess you are trying to make things complicated when there most likely would be a different way to achieve whatever you want to create.

most important question is why are you trying to do that and what are you planning to do after that?

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I want to export those two sheets into rfem, the inital geometry looked like you sugested, but rfem only takes sheets and i would like them to be conected for that purpose also