Translations:Basic Sketcher Tutorial/22/en

From FreeCAD Documentation

8. Apply tangency to the arcs.

8.1. Select one endpoint of an O-arc and then the closest endpoint of the adjacent I-arc.
8.2. Press Tangent. This makes the two adjacent arcs connect smoothly at their endpoints.
8.3. Repeat for all endpoints of the O-arcs and I-arcs to obtain a closed profile.