How To Make a Box Pleat: Simple Step by Step Guide It's pattern release day for @sewoveritlondon and as a pattern insider, I'm pleased to share my version. This is the Hettie dress, a fun style that you can make out of a THE ASSEMBLY Slipping into the Box pleat dress is a true bliss! The a line shape and deep box pleat in the back makes it not only flattering but also an easy fit The Assembly Line Box Pleat Dress The Fold Line Garden Party Dress ORGANIC Brick Linen Pony Black Assembly Line Box Pleat Dress works well in wool suiting Sheila O'Kelly Sews