6:25

Drawing Large Arcs

8:23

How to Draw an Ellipse

15:01

58.Hollow or Round?

11:31

Two More Ways (Of 4!) to Draw Arcs

5:00

True Radius Arch PART 1

23:58

The Setting Out Of Arches On Site

3:44

Layout Large Arcs Without A Compass

3:57

Forces in an Arch