The Valentines Day three-dimensional greeting card is made using an exploding box mechanism.

Chinese Valentines Day greeting cards are made by DIY. What ideas can you use to make beautiful greeting cards? If you want your own Chinese Valentines Day handmade greeting cards to be colorful and charming enough, then we recommend you try using the principle of the exploding box mechanism to make Chinese Valentines Day greeting cards. The biggest feature of the exploding box mechanism is that it can change our greeting cards from a simple state to a magical and three-dimensional state. However, the double sliding heart-shaped Chinese Valentines Day exploding box mechanism hand-designed greeting card we recommend today has different. This handmade greeting card is only a flat greeting card, but its two heart shapes can be pulled out from the left and right sides.

Step 1:

Compare the size of the photo when cutting the cardboard

Step 2:

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This way Cut the paper

Step 3:

Look at the size of the paper separation

Step 4:

Fold at the dividing line

Step 5:

Fold it like this

Step 6:

Draw the small strip in the picture

No. 7 Steps:

Cut it into small strips

Step 8:

Together, this is the effect

Step 9:

Cut a piece of plastic paper with the same width

Step 10:

Stuff the plastic paper between the two seams

Step 11 ：

Adhere the double-sided tape like this

Step 12:

Paste the plastic paper on the other side

Step 13:

The sides are also glued with double-sided tape

Step 14:

Add double-sided tape to the bottom of the photo and stuff it inside

Step 15:

Glue it at this location

Step 16:

Also glue the photo on the top position

Step 17:

Cut two heart shapes

Step 18:

< img alt="Valentines Day three-dimensional greeting card is made with explosive box mechanism" src="https://img.111diy.com/timthumb.php?src=/d/file/20220222/fipxsvj43we.jpg" />

Pull it out In the above photo, both photos came out

Step 19:

Decorate the heart-shaped colored paper

Step 20:

Attach double-sided tape to the back

Step 21:

Finally, glue it on a piece of beautiful colored paper to complete this three-dimensional greeting card with the exploding box mechanism! The principle and application of the exploding box mechanism is a popular and trend in the production of handmade greeting cards. If you do not master the basic production method of the exploding box mechanism, it is basically difficult to make a good-looking Chinese Valentines Day handmade greeting card, so we should start from this In the manual illustrated tutorial, you will slowly learn and ponder how to apply the technique of exploding box mechanism to the production of various greeting cards.