Hi Marco,

> But...I didn't understand very well this part of the sentence :
>
> @You : "It doesn't work too well with curvy surfaces when the curve isn't right near the surface though."

If you have a curvy surface instead of a flat surface, this type of projection down by surface normal will make the projected result squish together or expand and the Solids++ routine for this function doesn't deal very well with that, it tends to produce a curve with little zig-zags in it. If the curve is pretty close to a wavy surface it can work ok though.

But I need to make a new implementation for it at some point here since it can give bad results.

- Michael