David Short monitoring the shaping process. You can see in this image the progress of bringing the Main Mast from 8-sides to 16-sides. This process begins with a chainsaw to rough-cut the mast from a square laminated block into an 8-sided spar. From that point, the crew uses power planes to bring it as closely to round as possible before sandpaper finishes the job. In this image, sandpaper is not far off.Bookmark the permalink.