diy project: cardboard thank you postcards

With the new year upon us, the reduce, renew, recycle mantra is at the forefront of our brains. That paired with a long list of thank you notes still to write inspired this recycled-cardboard postcard project. We have so many boxes around from the holidays that we decided to cut them up and make our own thank you notes. (We still have until mid-month before we start pushing the rules of etiquette, right?) We did these postcards a few different ways, so based on what you have around your home, you can pick whichever method you like. Sometimes the space on a postcard is all you need for a sweet, succinct note. Put together a stack of these, and you’ll be set for months to come! — bbbcraft sisters

CLICK HERE for the full how-to after the jump!


  • scrap cardboard
  • metal straight-edge ruler
  • X-Acto knife
  • pencil
  • yarn
  • large needle
  • rubber stamps and stamp pads
  • cards you have received (with the fronts torn off)
  • spray adhesive
  • black pen


Stitched Postcards
We used leftover yarn scraps from knitting projects to decorate these, but any twine, yarn or thick string would work.

1. Cut postcard-sized pieces from scrap cardboard using a straight-edge ruler and an X-Acto knife.

2. Roughly plan out your design using a pencil, lightly marking an “x” where your holes will go. Keep in mind that you don’t want to puncture either half where you will be writing your note and the address, so keep your design limited to the middle and edges.

3. Punch holes in your “x”s where you will thread the yarn through.

4. Stitch your design!

5. Decorate the backs too, drawing lines for the address like on a postcard.

Recycled Card Postcards
If you’re like us, you’ve kept cards that friends have sent and that you have especially loved. This is the perfect way to reuse those cards!

1. Tear off the fronts of any cards you want to use (it’s okay if there is writing on the back because you won’t see the backside).

2. Working outdoors or in a well-ventilated room, spray one side of your cardboard piece with spray adhesive. This is a fast, smooth and strong adhesive method, and the cards will stay put through the mail.

3. Apply your cards to the sprayed cardboard, leaving room between them to cut out the cards. Let dry.

4. Once the glue is dry, use a straight-edge ruler and X-Acto knife to cut around the cards.

Stamped Postcards

Use any variety of stamps to say thank you, merci, gracias or grazie, or simply decorate the front and let your note do the thanking.

  1. Lindsey says:

    What a great idea!

    This would be a super way to use up gift boxes, too. I had so many boxes that my mom wrapped clothes in this Christmas. Now I’m sad I got rid of them!

  2. Rebecca says:

    I like these a lot! I have a few thank yous left to write and want to get into the habit of writing letters more in general. We always have boxes around, so this would be perfect. I may experiment with making postcards out of printed boxes (such as cereal boxes) since we have tons of those and see if I can come up with some neat designs out of them.

    One question, though: will you have to use more postage if you use heavier cardboard or is a standard stamp usually ok?

  3. bbbcraft says:

    Hi Rebecca,

    Thanks! A standard stamp works! In fact, we’ve even sent ours using 28 cent postcard stamps, and they have still arrived (though if you’re worried, go with $.44!)

    –bbbcraft sisters

  4. Christin says:

    I love this idea! I will definitely be stitching some cards in the near future.

  5. I love stitches on paper! Great project!

  6. Sarah Jane says:

    Brilliant! I love it and it’s fun and it’s economical!

  7. Christine says:

    Love the simplicity of these!

  8. Ahh! I am so far behind! Must do that this weekend!

  9. This is so cool, I’m really going to make some of those cards!

  10. Susan says:

    LOVE. Thank you for sharing your creativity with us. Happy new year!

  11. Kait says:

    For my sweetheart’s Christmas present, I stitched vintage postcards to cardstock with thread and wrote on the cardstock to make a calendar. I love the idea of meshing thread or yarn with paper; very classy!

  12. Rose says:

    Where can we find that stamp where you can set your own text? I’ve been looking for one.

  13. Claudia says:

    I have the postcard with the girl on it!

  14. hena tayeb says:

    these are fantastic.. i am looking for a creative way to do invites for my son’s first birthday.. this is definitely going to the top of my list..

  15. Lulu says:

    Wonderful idea! My daughter soon has a birthday. I shall use your amazing idea for her invitations:)

  16. We have been making handmade postcards that we send out to every new subscriber to our blog and they love it! It’s nice to be able to personalize a thank you note!

  17. I love this. And a little “merci” goes such a long way, I find!

  18. Victoria says:

    wow, wonderful idea!

  19. claire says:

    Awesome way to recycle! :)

  20. bbbcraft says:

    Hi Rose,

    One of our favorite stamps ever is from Staples:

    It comes in handy for so many things!

    –bbbcraft sisters

  21. megan says:

    I think I just found that creative Valentine I’ve been searching for!

  22. anne says:

    What a lovely idea! Thanks for sharing!

  23. What a great idea – I must share with our readers on Facebook, they’ll love it! Have a wonderful weekend.

  24. Peggy says:

    Doing this. Can think of about 10 things to put on the front side! Thanks.

  25. Came across this post while doing some research, and was really wowed by the postcard design ideas! Love the recycled card postcards, that’s a great way to reuse and recycle. I’ve got a bunch I’ve kept that are really cute and now I can do more with those. Thanks!

  26. Peggy says:

    I could see this as a great project to help a child who is bored stay busy! Thanks for sharing.

  27. Anna says:

    ooo, I have a baby shower coming up next week and was just thinking about thank you notes… these rock! Thanks :-)

  28. What a great idea for reusing cardboard! I especially love the stamped ones.

  29. johnxthompson says:

    I am new at this site and simply first and foremost i would wish to speak hey to all of you

  30. pthalokitty says:

    great idea and perfect for a project I have coming up- did you guys create your own botanical and bird stamps for the examples shown? or is there a designer you know making these? not sure if you can buy a stamp and carve your own…

  31. Lula says:

    i’m so making these for christmas! My fdamily will love them!

  32. Brenda says:

    Super fantastic inspiration. I like the idea of hand made thank you cards to send to clients :) Yippeeee!

  33. You can’t say Thank You a better way then with a custom printed postcard! Great Post! Thank you!


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