Resolving Over Defined Sketches Contents Automatic Driven Dimensions If you dimension a closed-profile sketch that would cause an over defined sketch, the dimension is automatically changed to driven. SketchXpert If you select Always open this dialog when sketch error occurs, the SketchXpert PropertyManager appears as soon as you over-define 2D or 3D sketches. For existing over defined sketches, click Over Defined in the status bar. Parent topicDimensions