--- title: "CAD Curve" slug: "cyclone-3dr-bspline" type: "index" canonical: "rcdocs.leica-geosystems.com/cyclone-3dr-bspline" --- > ## Documentation Index > Fetch the complete documentation index at: https://rcdocs.leica-geosystems.com/llms.txt > Use this file to discover all available pages before exploring further. # CAD Curve 4 articles ## [Draw](https://rcdocs.leica-geosystems.com/docs/cyclone-3dr-drawbsplinec.md) Published on 2026-09-07 This command constructs new CAD curves. Requirements No selection is required to launch the command. Click points inside the graphic scene. If you need more information: refer to Define points . These... ## [From Polyline](https://rcdocs.leica-geosystems.com/docs/cyclone-3dr-cadcurvefrompolylinec.md) Published on 2026-09-07 This command computes CAD curve(s) according to polylines. Requirements Select one or several polylines and launch the command. To compute a CAD curve based on polylines, 3 methods are available:... ## [From CAD Wire](https://rcdocs.leica-geosystems.com/docs/cyclone-3dr-explodecadwirec.md) Published on 2026-09-07 This command explodes a CAD wire into CAD curves. Requirements Select the wire you want to explode and launch the command. Tips & Tricks When you have the exploded curves, you can retrieve the... ## [From CAD Surface](https://rcdocs.leica-geosystems.com/docs/cyclone-3dr-bsplineedgesfromcadsurfacec.md) Published on 2026-09-07 This command extracts free borders from surfacic CAD Object(s) as CAD Curves. Requirements Select the surfacic CAD object(s) you want to extract edges from. Technical information Free borders can be...