Parallel and Perpendicular Mates You can add parallel or perpendicular mates between the combinations shown below. Cone Cylinder Extrusion Line Plane Surface Cone Cylinder Cylinder refers to the cylinder's axis. Extrusion Extrusion refers to a single face of an extruded solid or surface feature. Extrusions with draft are not allowed. Line Plane Surface Surface refers to a non-analytic surface. For non-analytic surfaces, you cannot use Parallel mates. Parent topicStandard Mates Related concepts Reference Entity for Angle Mates Distance Mates to Cylindrical Components Related tasks Creating an Angle Mate With Reference Entity Example: Auto-Fill for Reference Entity Related reference Angle Mate Coincident Mate Concentric Mate Distance Mate Lock Mate Tangent Mate