Sections Section shapes. L-R: Pinched, Pinched, Wide Lip, Narrow Lip, Tapered, Straight. Tapered Sections. The taper can be quite sharp or not. Straight Sections. Pinched Sections. The pinch can be subtle or deep. Lipped Sections. Straight with lip, pinched with lip, and very slight taper – almost straight – with lip. Click to share -Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Twitter (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Like Loading...