--- title: "Surface Restriction" slug: "cyclone-3dr-surfacerestrictionc" updated: 2026-09-07T11:51:53Z published: 2026-09-07T11:51:53Z canonical: "rcdocs.leica-geosystems.com/cyclone-3dr-surfacerestrictionc" --- > ## 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. # Surface Restriction ![CmdCADSurfaceRestriction.svg](https://cdn.document360.io/820e11db-8ed5-45ae-ac86-f6b77dcb2aa7/Images/Documentation/CmdCADSurfaceRestriction.svg) This command is used to make a restriction on a face. This restriction is an external border of the face. > [!TIP] > ### Requirements > > Select the surface and the contour(s) (closed geometries, closed CAD curves, closed CAD wires) and launch the command. --- > [!WARNING] > ### Notes > > If several contours have been selected before entering the command, the command will return a restricted face per contour.