envelopery

Custom Flap Envelope

Make it your shape

Choose the size, shape the flaps and add a tab closure if you like.

Unfolded template180 × 120 mm
Tab Closure Envelope — provisional dieline Millimetres. Solid outline: cut; dashed red: crease; dotted green: finished panel; gold: glue. Requires physical validation before production.

Select a dimension to see the part it changes.

Sirio Pearl Coal Mine — open and closed Assembled with closure open, then closed, at the same scale. Digital paper preview; physical colour and manufacture require sample validation.

Illustrative examples. Your live preview shows the dimensions and flap choices you select.

Rectangular envelope with tab closure
Rectangular envelope with tab closure
Square envelope with its tab flap open
Square envelope with its tab flap open
Rectangular envelope with a plain trapezoid flap
Rectangular envelope with a plain trapezoid flap
Square envelope with a curved flap and rounded corners
Square envelope with a curved flap and rounded corners

Download your template