Quote - Nice, I just tried this and still can't work out why you use the tris at the start. No criticism, just seeing how others do it. I went for a spline and then boolean which , for a change, came out quite well.

One thing I never seem to avoid is that pinching you getwith the hole on the curved surface.

Good luck with the screws! Posidrive topology!

Can you show an example of what you mean by the pinching?  There's no strategic reason I cut the mesh that way, other than the fact I wanted to maintain a shape for the centermost edges that was closer to a circle than a square.  I could have started with a circular strip of quads, like in the screencap below, and that is a perfectly acceptable start (probably a more logical one too).  However, I'd still have some edges to remove and add to accomplish the tre-foil screw hole layout, so it ends up being about the same number of steps in the end, maybe.  As I said, I took a rather unorthodox approach here. ;)

I might try a posidriv screw, but what about a Supadriv? hehe.  That might be cool.

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