Why can´t I combine a solid with a surface? DesignSpark Mechanical April 08, 2021 06:59 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? How do I scale an Object or even an Assembly in DSM? Explanation and Examples. Can I create a negative of an object? Mirroring Faces and Objects to make Symmetric or Mirrored bodies in DesignSpark Mechanical? Operation and Examples. Is there an update to DSM available? Comments 0 comments Please sign in to leave a comment.