How to Make an Envelope for a Pop Up Card

How to Make an Envelope for a Pop Up Card

Quick answer: Yes - this is a realistic home project: about 15 minutes at beginner level, with supplies you probably already own. The full step-by-step is below.

The secret to an envelope for a pop up card isn't artistic talent; it's scoring straight lines and letting glue set. Follow the steps in order and you'll end up with a card worth photographing.

What You'll Need

  • One sheet of paper 2.5x the card's size (wrapping paper works beautifully)
  • A glue stick or tape; scissors; the actual pop up card as a template
  • A ruler and pencil

How to Make an Envelope for a Pop Up Card, Step by Step

  1. Center the closed card on the paper's wrong side; card should sit diamond-angled (corner up) for the classic envelope.
  2. Trace around the card with a pencil; remove the card.
  3. Draw four trapezoid flaps extending 4cm (A5) from each traced side - top and bottom flaps extend a little longer, 5cm.
  4. Cut along the outer outline; you now have a plus/cross shape.
  5. Fold side flaps in over the card, creasing against the card itself for a perfect fit.
  6. Fold the bottom flap up and glue its edges to the side flaps - use glue ONLY on flap edges that won't touch the card.
  7. Round the top flap's corners with scissors (looks finished, prevents corner catches), then fold down; secure with a sticker, wax seal, or glue dot.
  8. Add a paper band around the envelope's middle if the card is thick - bands stop sorting machines from pressing the pop.

Tips That Save the Project

  • Make the envelope 2-3mm taller than the card, never exact - breathing room prevents the closed card from being pressed open in transit.
  • Wrapping-paper envelopes turn leftover paper into matching gift wrap + envelope sets.
  • For mailing, write addresses BEFORE inserting the card (the surface is softer to write on empty).

Variations to Try Next

  • Rigid mailer version: sandwich the card between two cardstock sheets taped at three sides for distant relatives.
  • Window envelope: cut an aperture in the front flap showing the card's decorated front.
  • Reusable: mini velcro dot on the flap for cards intended as keepsake boxes.

Or Let the Pros Do the Folding

If you'd rather spend the evening writing than cutting, our 3D pop up cards open into sculpted scenes with zero glue guns involved - and they still leave plenty of room for your handwritten message. Not sure which design fits? Start with the complete pop-up card guide.

Keep Reading

Pop-Up Cards: The Complete Guide · The Best Diwali Pop Up Cards (2026) · The Best Pop Up Cards for Teens (2026) · The Best Fall Pop Up Cards (2026)

Frequently Asked Questions

What size envelope does a standard A5 pop up card need?

C6 (114x162mm) fits A5 cards, but pop-ups need breathing room - a 5mm-taller custom envelope or a DL-sized envelope prevents the closed flap from pressing the mechanism.

How much postage does a pop up card need?

Most stay within standard letter rates folded flat. Cards with 3D scenes (box cards, multi-layer bouquets) cross into 'large letter' pricing - check thickness at the post counter, and when in doubt, one extra stamp beats a returned card.

Are pop up cards hard to make at home?

The basic V-fold takes ten minutes. Scene cards with parallel folds and tabs take an hour or two - still a one-evening project. Our DIY guides walk through every level.

Prefer it ready-made? Every design folds flat and mails flat.

Shop 3D Pop Up Cards