Creates a tangent surface between two surface edges with constant radius profile, trims the original surfaces, and joins the fillet surface to them.

       Command:

       Menu【Surface > Fillet Surface】

Steps:

1. ClickMenu【Surface > Fillet Surface】.

2. Set the fillet radius.

3. Select the first surface.

4. Select the second surface.

Extend: extends the fillet surface to surface edges

Trim: trim the original surface back to the fillet edges.