How do I sketch and add geometry while in cross-section mode? DesignSpark Mechanical September 20, 2019 16:17 Updated Enable the highlighted option in File-> DesignSpark options -> Advanced. Example of adding geometry after enabling above: Related articles How do I use OpenSCAD and DSM to cut ISO threads (physical)? How do I countersink and modify the chamfer angle later? How do I scale an object in DSM? What keyboard shortcuts are available in DSM? Can I mirror objects in DesignSpark Mechanical? Comments 0 comments Please sign in to leave a comment.