Way to Make a Postcard Box


DIY from a greeting card box

Have you ever felt guilty throwing away the beautiful greeting cards you received? Here’s how you can easily create little boxes using old greeting cards; it’s a great way to repurpose Christmas cards, birthday cards, and more. This project takes about 20 minutes and is suitable for children aged 8 years and older.

Gather your supplies

First, gather all the materials you will need so that everything is at your fingertips when you are ready to manufacture. Please note that both square and rectangular cards are well suited for this DIY project.


Greeting card
Pen or pencil
Cellophane tape
Bone folder (optional)

Cut the card in half

Start by cutting the card in half. Cut the back of the postcard along the fold. Now you should have two pieces equal in size.

Trim the back of the postcard


Cut a piece from each edge of the back of the postcard. The back should be about 1/8″- 1/4″ smaller than the front.
Measure and mark the reverse side of the card pieces

Place the greeting card face up and back up on your desk.

Swipe the ruler along one of the short edges and mark the card 3/4 inch from each corner. Repeat this on the other short side.

Now draw a ruler along one of the long edges, mark the card at a distance of 3/4 inch from each corner, and then make another mark at a distance of 3/4 inch from this place. Repeat this for the other long side.
Draw lines on the cards

Use this drawing as a guideline to draw lines on each part of your greeting card.

Using a ruler and a pen, connect all the marks that you have made on the short edges of the card.

Note that the marks you made 3/4 inch away from the corner on the long side of the card are not connected. Draw a ruler along these marks and draw a line from one line to another, not reaching the very edge of the card.

Finally, use a ruler to connect the second marks you made on each of the long edges.

Cut the cards to make the valves

Use scissors to cut each line you have drawn on the short edge. Cut only to the intersecting line, which should be about 1-1/2 inches from the edge. Use the above photo as a guide.

We bend the sides of the cardboard box

Start by making two folds on the sides using the two lines you drew. Using a bone folder to mark the lines before bending, you will get clear edges. First, bend the first line you drew to the side until it touches the second line. Then fold it again on the second line.

On the other edges of the card, fold each edge along the line you drew. Now fold each of the pieces—or tongues—that you have cut out.
We collect your cardboard box

Hold the curved edge with the tabs up. Bend the tabs so that they coincide with the other side. Fold the other edge up and over the tabs. Use a small piece of tape to secure it in place.

Repeat this for the other side of the box and again for the other half of the box.
Finishing up the design of your postcard box

Now you should have a full-fledged top and bottom! The upper part should fit comfortably to the base, since you have cut off the lower part of the card a little.

Experiment with different box depths by adjusting the 3/4 inch size to make boxes with higher or lower edges.

These boxes are not only a great way to recycle used postcards, they also make great gift boxes for small treats.

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