You can use origami paper or fold any piece of paper diagonally from the corner to the opposite edge and trim off the excess. Colored tapes can also be used to add a candle to a cupcake.

Palomitas Paper Crane Instructions Origami Paper Crane Origami Swan (source : pinterest.com)
Now attach the paper-made cupcake with your card by using glue or with adhesive squares.

Origami masu box step by step coloring pages. Step-by-step diagrams based on hand- or computer drawings are the classical way of conveying origami folding instructions. Make sure you crease the paper every time you fold to hold your box. To begin making your origami gift box take one sheet of paper and put the paper pattern side down.
Crease the fold with your finger then open the piece of paperStep 3 Fold the paper in half along the other side. This is the S method pick up the paper and make it an S shape until the paper becomes equally divided into thirds. This is the back of the paper usually white.
Or if you want the lid to fit smoother make the second box slightly bigger. With a tutorial on how to make basic folds 11 easy-to-follow and illustrated step-by-step projects and 70 sheets of origami paper to get you started you will be creating stunning and unique origami pieces in no time. Use your finger to crease the fold.
Projects include a traditional masu box sushi rolls and mini envelopes in. A lot of tutorials have extra steps and more creases making the box less attractive. Later a similar square wooden box was used to drink sake.
You will need to divide the paper into thirds. Paper Kawaii has many 400 origami and paper craft tutorials to offer. It is important that the paper is square since you are creating a box.
3 12 hours of video instructions with clear step-by-step demonstrations for each of the 30 lessons. This is an easy origami model to make for beginners. A trick is to fold your paper like a sail on a boat and cut the excessStep 2 Fold the paper in half.
This paper sheet for the base can be chosen in any color as per ones choice. Whether you are a dedicated origami folder or you need to find a handmade gift idea craft to sell in your stores or gift boxes for presents this is a great free resource. Origami Masu Box Gem Lid Photo Tutorial A masu box variation to use as a lid this one looks like a gem stone.
A long time ago a masu box was a wooden box used to measure rice. Unit Polyhedron Origami on page 92. Masu Box April 18 2021.
Turn the paper over and repeat on the other side. A full color 72-page instruction book. Crane April 18 2021.
Step 1 Begin with a piece of square paper. In the end fold the sheet in fourth to create a base for the card. Im really sorry about the qualitycoloring of these photos they are quite old.
A tiny change at the start makes assembling the box so much simpler. Pull the left flap up and squash fold it then pull the right flap up and squash fold it. Little Turtle Unit April 18 2021.
Then fold the paper in half vertically again making a crease before unfolding. Fold the paper in half horizontally crease it well and then open the paper back up. You should have a cross-crease on your paper.
In the origami world a masu box is a traditional square shaped box made of paper. Including my old video on the box. Flip your square of paper over and fold the left and right corners in toward the center.
70 colorful folding papers. This the front of the paper your divider will end up being this color. If you like masu boxes I have a masu box playlist with lots of variations and options for lids.
More info video tutorial here Photo Tutorial.