Everything Converting Angled and Curved Corners When you select a control point on a path, you can switch between a rounded or angled corner by using the Linear/Curve command. How convert an angled or curved corner In the Timeline view, double-click the layer that contains the point you want to convert. The Layer Properties window opens. On the Transformation tab, select the 3D Path option. In the Tools toolbar, select the Transform tool or press Shift + T. In the Camera view, select the point to convert. From the top menu, select Animation > Linear Motion.