Flip Endpoint Tangent (2025 SP1) You can flip the endpoint of a tangent arc that is connected to a line. The radius of the arc does not change. The functionality is not available for 3D sketches. To flip the endpoint of a tangent arc: Open a new sketch and sketch a line. Click Tangent Arc and create an arc from the end point of the line. Right-click the point where the arc and the line meet, and click Flip Endpoint Tangent . The tangent arc flips position: Parent topicSketching Creating Squares Using Rectangle Tools (2025 SP2) Repairing Dangling Relations Linear and Circular Sketch Patterns