(2025-04-06, 22:07)Rene Rechthaler Wrote: looks like the innermost one should be nearly round...
did you compare it to the one from digital-bricks?
The ridgeness effect is visible on the physical part all the way to the dome on top. It should therefore not be round near the top. Quite the contrary, one should avoid having a circle at the top (except under the dome). This is why the digital bricks and BI mesh versions (perhaps the same) look so wrong. They correct the roundness too far out the shape. Exaggeration seems to be used also in the digital bricks version. They actually went with a line on the ridge.
umbrella3.png (Size: 22.17 KB / Downloads: 64)
umbrella4.png (Size: 25.25 KB / Downloads: 63)
Looking at the Zeppelin (awesome by the way), I see that quads are to be preferred over triangles and that spacing need not be even.
Here is a draft. Will see if it works out or not.
umbrella2.png (Size: 16.24 KB / Downloads: 64)