Drawing on a Curved Surface

[pdfaze]

With planar surfaces it’s easy to draw on by setting a custom CPlane. I can fairly easily draw on a slanted plane, for instance:

But let’s say I wanted to draw directly on a curved surface like this one:

Is there a way to do this? I know project is an option, but are there more direct ways to draw on a surface that is curving in two or three dimensions?

[davidcockey]

InterpCrvOnSrf Rhinoceros Help

[davidcockey]

CurveOnSurface is available as a plug-in on Food4Rhino. CurveOnSurface | Food4Rhino
Curves created by CurveOnSurface can be edited using CurveOnSurfacePtOn and the edited curve will stay on the surface.