Circle Tangent on a sphere ?

 From:  Michael Gibson
5435.16 In reply to 5435.13 
Hi Brian,

> So I've learned that the "On Surface" snap just works in the 3D screen. (?)

Yup, that's correct - in a 2D view it's pretty hard to see whether the point you placed is on a surface or whether it's on the construction plane so some of these kinds of snaps only apply to picks in the 3D view where you can more easily spin around and see the objects that you are drawing on.

> I was thinking the center of the circle would be submerged, inside the sphere, and
> the circle would be on the surface.

If you wanted to do it that way possibly drawing a plane and then using Construct > Curve > Isect to intersect the plane with the sphere would work.

- Michael