F360 acts "mirrored"

[picadilly]

Starting two weeks ago F360 started acting wierd.

If I create a simple cylinder and do a "Section Analysis", it looks like this:

Beforehand it looked like that:

[TrippyLighting]

[picadilly]

Thanks for the reply. It took me a while to find this setting.

It works. But why is it different all the sudden?

Plus it happens at least occasionally, if I open a sketch, it will shown from the back. So, I figured, there may something wrong more globally.