Sketching Contents Controlling the Tangency Direction You can flip the tangency direction of certain curved sketch entities. This includes arcs and splines. Creating Mirrored Entities in 3D Sketch You can use the Mirror Entities tool in 3D Sketch. Enabling and Disabling Automatic Solve and Undo for Sketches You can enable and disable Automatic Solve Mode and Undo, and modify the threshold limit for sketch entities. Fixing the Rotation of Sketch Pattern Instances Instance Limit Removed for Circular Sketch Patterns Mirroring Entities Using Reference Planes and Planar Faces You can mirror entities about reference planes or planar model faces. Pen, Touch, and Gesture-based Sketching You can use pen and touch with compatible, touch-enabled devices to create free-hand sketch strokes and convert them into sketch geometry with the tools in the Sketch Ink CommandManager. Smart Dimension on the Context Toolbar You can dimension certain entities from the Auto Insert Dimension tool on the context toolbar.