To import a Rhino 3DM file: Select File > Import > Import Rhino 3DM Format (3D only). The Import Rhino 3DM File dialog box opens. Select the file to import, and click Open.
To import a Rhino 3DM file: Select File > Import > Import Rhino 3DM Format (3D only). The Import Rhino 3DM File dialog box opens. Select the file to import, and click Open.