This option (Cursor Normal) on my CAD Node moves the cursor to the point on the line normal to the other selected point, you could call it “Cursor Perpendicular” also:
Selection order is Point 1 on line, Point 2 on line (in any order), Other point - the “Line” points need not be on an edge BTW, so this is also a valid method:
The three points need not lie on a Global Plane either, like X-Y, or X-Z planes.
PS. Anybody got any other requests for Cursor Location?
This is also a valid method: