2D diagram
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How to make a Valentine card with a heart window

Valentine Card With A Heart Window: try all 5 steps in the 3D player. Turn and replay every move. Print the complete diagram sheet or save it as PDF.

EasyAn Origami Tutor design5 steps24 × 18 cm and 12 × 18 cm · 2 paper pieces

An Origami Tutor Valentine card with a heart window: a red cover is folded in half, cut with half a heart along the fold and opened, then glued on the front of a pink folded card, so the heart shows the pink beneath.

You need
One 24 × 18 cm sheet of pink paper, one 12 × 18 cm sheet of red paper, a pencil, scissors and glue.
Start
Use a 24 × 18 cm sheet of pink paper for the card and a 12 × 18 cm sheet of red paper for the cover, both with their long edges at the top and bottom. Start both sheets with their colored side up.
Tips
  • Draw the half heart lightly in pencil first, so the dip and the point both land exactly on the fold.
  • Cut slowly round the lobe; thin paper tears if you pull it.
Symbols, bases & terms ↗
Finish

Your model is ready

Let the glue dry. Open the card and write your message inside; the heart window shows the pink beneath. The finished card, with its heart window in 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 cover in half

    Take the narrow red sheet, red side up. Fold its right edge over to its left edge. The folded edge is the line down the middle of the cover, where the heart will be centred.

  2. 2

    Cut half a heart

    Draw half a heart against the folded edge, about 3.6 cm wide and 6.5 cm tall, its point and its dip both on the fold and 5.7 cm of paper left above and below it. Cut along the line from the fold, round the curve and back to the fold, through both layers. Keep the large piece and throw the half heart away.

  3. 3

    Open the cover

    Open the fold. A whole heart is cut out of the middle of the cover.

  4. 4

    Fold the card closed

    Take the large pink sheet, pink side up. Fold the right half behind the left half. This is the card; its fold is the spine.

  5. 5

    Set the cover on the card

    Lay the red cover over the front of the card, edges level, with the heart window in the middle. Glue it down along its edges.

  6. ✓

    Finish

    Let the glue dry. Open the card and write your message inside; the heart window shows the pink beneath. The finished card, with its heart window in front.