Diagonal Lock Envelope

Fold. Tuck. Done.

Diagonal folds that interlock without glue. Choose your size, then download a template or choose your paper.

Unfolded template275 × 135 mm
Diagonal Lock Envelope — provisional dieline Millimetres. Solid outline: cut; dashed red: crease; dotted green: finished panel; gold: glue. Requires physical validation before production.
Diagonal Lock Envelope — folded preview with closure open Illustration only. Use the separate dieline for paper mock-ups. Physical validation required.
Diagonal Lock Envelope — folded preview closed Illustration only. Use the separate dieline for paper mock-ups. Physical validation required.

Test a paper mock-up before cutting a batch. These templates still need physical validation.