2D diagram
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How to make an origami envelope

Origami Envelope: try all 5 steps in the 3D player. Turn and replay every move. Print the complete diagram sheet or save it as PDF.

Easy5 steps8 × 8 in · One square

A square-sheet envelope with overlapping side pockets and a triangular closing flap.

You need
One square of paper. Optional tape to seal the top flap. No cuts.
Start
Start white side up, with a corner at the top. The colored side will cover the outside of the envelope.
Tips
  • Keep the two side folds equally far from the middle.
  • Use a larger square if you want room for a card.
Symbols, bases & terms ↗
Finish

Your model is ready

Your envelope is ready. Lift the top flap to slip a small card inside, then close it. The side point stays locked in its pocket. The closed square envelope, with its triangular lid over the front.

3D paper
5 steps · press any step to watch it in 3D

Step-by-step diagrams

Valley fold Mountain fold Color side White side
  1. 1

    Fold the right side in

    Fold the right point across, one third of the way along the bottom edge from the left end.

  2. 2

    Fold the left side in

    Fold the left point across to the right side fold. Keep the lower edges lined up.

  3. 3

    Double the paper and lock the sides

    Bring the bottom corner up to the top. The right cover folds around the left point, leaving that point inside its pocket.

  4. 4

    Lower the front point

    Fold only the front top point down to the middle of the long bottom edge.

  5. 5

    Close the envelope

    Fold the remaining top flap down level with the upper ends of the side folds, making a square packet.

  6. ✓

    Finish

    Your envelope is ready. Lift the top flap to slip a small card inside, then close it. The side point stays locked in its pocket. The closed square envelope, with its triangular lid over the front.

Keep folding

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