Forming hems, returns and locks

What hems are for, the three AFS hems and their limits, and the locks and seams that join sheets in the shop and field.

5 min · 8 slides · 4 questions

Slide 1 of 8

What a hem does

A hem stiffens a free edge, turns the raw cut edge under, out of reach, and gives a lock or cleat something to hook.

It is a 180 deg fold at the end of a leg.

Drip Edge, Hemmed Both Edges, from the FlashDraft library.Open in the Detail Atlas →

Sources