Importing 3MF files in SOLIDWORKS To import 3MF files in SOLIDWORKS: Click Open (Standard toolbar) or File > Open. In the dialog box, in Files of type, select 3D Manufacturing Format (*.3mf). Browse to a file to open. Click Options. In the dialog box, set Import as to one of the following and click OK.Graphics Body Solid Body Surface Body Click Open.The file is imported in SOLIDWORKS. Parent topicImporting and Exporting 3MF Files