Why can´t I combine a solid with a surface? DesignSpark Support February 21, 2017 17:31 Updated The surface must extend through the solid. Use the Pull tool to extend the surface until it fully intersects the solid. Related articles When I try to pull multiple faces, why do I get surfaces instead? Can I blend from one shape to another? How to modify the absolute value of a dimension? DesignSpark Mechanical - How to - Creating threads How to make a Turner's Cube? Comments 0 comments Please sign in to leave a comment.