Gutter Mitre

A box or half-round gutter cut on a mitre for an outside or an inside corner: the blank with its folds and the mitred end. A length of box or half-round gutter cut on a mitre at one end, for an outside or an inside corner: the blank with its fold lines and the mitred end.

• Box gutter, outside corner
• Box gutter, inside corner
• Half-round, outside corner
• Half-round, inside corner

How the gutter mitre is developed, with a worked example · Folded work