Now uploaded to the Part Tracker.
Please review it.
I made the outer wall thinner and corrected a lot of the internal edge lines inside the smaller cylinder.
The ring for the studs are still a tiny bit to narrow, but to fix this issue I have to use a lot more stupidly thin ring-prims.
I think it works.
![[Image: 272.png]](http://www.ldraw.org/library/unofficial/images/parts/272.png)
I made the outer wall thinner and corrected a lot of the internal edge lines inside the smaller cylinder.
The ring for the studs are still a tiny bit to narrow, but to fix this issue I have to use a lot more stupidly thin ring-prims.
I think it works.