Thanks for the ideas ctbram and daverave, that looks very promising and big thanks for the instruction videos.

btw: I'm still pretty new to modeling techniques, so what is so bad about boolean...

I already thought about that. I just wasn't sure whether it was possible to keep the angles between the edges that I want to rotate at 180° so I dont unintentionally bend them.

Hi all,

I am trying to model the following simple structure:
http://s159880906.online.de/mayaproblem/example1.jpg
I made this example by creating a new polygonal cylinder, rotating the right...