The addon is a script in Geometry Nodes. However, no scripting or coding knowledge is required to operate it.

All design can be operated using Modifiers in Blender's basic options.

Workflow: Geometry Nodes to Curves (SVG) Export 

(untill version1.1.0 - now fully automated)

1. Selection: Select the object containing the Geometry Nodes modifier.

2. Conversion: Execute the script "Export_Curves". The system automatically duplicates the object and converts its output to native Curves without applying or destroying the original modifier stack.

3. SVG Export: Select the newly generated Curve object and manually export it via File > Export > Scalable Vector Graphics (.svg).

4. CAD Import: Import the resulting SVG file into Rhinoceros or preferred CAD software.

Note: This hybrid approach maintains a live, parametric original while providing a clean curve duplicate for external interoperability.