Contents Part II: Mesh Tutorials | Chapter 1: Introduction to the 2Dmesh Sketchboard | Print page 1.9. Create Arc for Center Area TopClick the Arc icon.Click the 2 Point + Radius icon.Enter Radius = 30.Click as shown to create the arc.Note: Arc is created in counter-clockwise direction from first to second point. « 1.8. Create Horizontal Line for Right Area Top 1.10. Trim Vertical Lines »