"This free pattern was originally created for the subscribers of The Next Beautiful Thing Podcast as part of an interactive DIY series “How to Design Your Own Garter Tab Top Down Triangular One Skein Shawl” (Episodes 3 - 7). It has now been updated, edited and is available directly from Craftsy." - The Next Beautiful Thing
 
Find the pattern here: https://www.craftsy.com/knitting/patterns/trumpet-gloria/489589