Can anyone explain how to get rid of that visible "edge"

Technical Support Modeling
1

hi,

here a screenshot, with material and light it gets even more bad.

surface
surface775×583 27.8 KB

surface.blend (1.6 MB)

thanks for help !

thomes

2

You could clear the current “Custom Normal Data”. That should fix any strange orientation of Normal vectors.

surface
surface452×555 31.3 KB

3

great, thanks a lot ! i had that often in geometry and did not find out…