You can flip the tangency
direction of certain curved sketch entities. This includes arcs and splines.
To control the
tangency direction:
-
Open a part file that contains an arc.
-
In the FeatureManager design tree, right-click the sketch
containing the arc and click Edit Sketch
.
-
In the graphics area, right-click the arc and click
Reverse Endpoint Tangent
on the shortcut menu.

The software reverses the tangency and flips the arc.
-
Click
.