NURBS to be ruled by curves and adjoining surfaces

Issue imported from https://tracker.freecad.org/view.php?id=4680

* **Reporter:** Pauvres_honteux
* **Date submitted:** 6/6/2021
* **FreeCAD version:**
* **Category:** Feature
* **Status:** new
* **Tags:**

# Original report text

Forum discussion: [NURBS to be ruled by curves and adjoining surfaces](https://forum.freecadweb.org/viewtopic.php?f=8&t=58133)

This is a request to make NURBS obey user created boundry curves and adjoining (ruling) surfaces, the day NURBS surfaces get implemented.

Nota bene: Face/surface edges does not qualify as curves!

# Additional information

N/A

# Steps to reproduce

N/A

# Other bug information

* **Priority:** normal
* **Severity:** feature
* **Category:** Feature
* **Updated:** 6/6/2021