I saw a tutorial on the web, and they showed this image as an example, without explaining how they did it. they explained how to use the network tool with a simple set of lines, and showed this afterwards as a more complex example of what is possible.
I tried to recreate this, since I found it strange that the sharp crease of those half protruding tubes suddenly changed into a smooth transition. but I did not succeed in getting the same result.
Any ideas what I did wrong? or did they use an other tool after all?
tnx
wim

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