Hi Michael,

Thanks for the quick reply.

>However, it sounds like you want these
>holes to not be aligned to a single direction
>and instead change orientation to hug the
>contours of a surface?

Yes.

>Depending on what you need, you may be able to
>project some curves on to the surface and then use
>the Array curve command, there is a sample of that method here:
>http://moi3d.com/forum/index.php?webtag=MOI&msg=2262.6

This will likely work with the concentric hexagonal layout but much more
difficult with the areas between. See the attached pic, specifically the
black filled circles.

Regarding the chamfer, that is what I thought. All 169 holes.

I will give the curve projection a go.

Thanks again.

Leonard