How to make paper kunai

If you’re ever in a pinch and need a weapon, don’t worry! With this simple tutorial, you can easily make your own paper kunai. All you need is some paper and a sharp object, and you’ll be ready to take on any enemy.

make paper kunai

Have you ever been fascinated by the ancient art of paper folding? If so, you’re in for a treat. In this article, we’ll explore the step-by-step process of making a paper kunai. A kunai is a traditional Japanese tool that was originally used as a farming instrument, but later gained popularity as a concealed weapon among ninjas. While a paper kunai doesn’t possess the same functionality as its metal counterpart, it can be a fun and creative project for enthusiasts of paper crafts. Let’s dive in and learn how to make your very own paper kunai!

Materials Needed

Before we begin, let’s gather the materials you’ll need for this project. The good news is that you won’t require any specialized equipment. Here’s what you’ll need:

  • Paper: Choose a sheet of paper that is sturdy enough for folding but not too thick to manage.
  • Scissors: A pair of scissors will come in handy for trimming excess paper.
  • Adhesive: You’ll need a small amount of adhesive, such as glue or tape, to secure the folds.

Now that we have everything we need, let’s proceed to the step-by-step instructions.

Step 1: Preparing the Paper

The first step is to prepare the paper for folding. Start by selecting a square-shaped piece of paper. If your paper is rectangular, trim it to form a square. The size of the square can vary depending on your preference, but a 6-inch by 6-inch square is a good starting point.

Step 2: Folding Techniques

Once you have your square paper ready, it’s time to employ some folding techniques to create the basic structure of the kunai.

  • Start by folding the square diagonally, bringing one corner to meet the opposite corner. This will form a triangle shape.
  • Next, fold the bottom edge of the triangle upwards, leaving a small portion of the triangle’s tip visible.
  • Similarly, fold the top edge of the triangle downwards, tucking it beneath the bottom fold. This will create a diamond-like shape.

Step 3: Forming the Handle

To give your paper kunai a handle-like appearance, follow these folding steps:

  • Take the top corners of the diamond shape and fold them inward towards the center. This will create two overlapping triangles.
  • Now, fold the left and right sides of the diamond towards the center, aligning them with the bottom edge.
  • Finally, fold the bottom flap of the diamond upwards, securing the overlapping triangles and forming the handle of the kunai.

Step 4: Final Touches

To complete your paper kunai, pay attention to the final details:

  • Make sure the flaps of the handle are secure by applying a small amount of adhesive.
  • Trim any excess paper that might interfere with the overall appearance of the kunai.
  • For added flair, you can decorate your paper kunai with colored markers or add intricate designs using pens or pencils.


Congratulations! You have successfully crafted your own paper kunai using the art of paper folding. In this article, we explored the step-by-step process of creating a paper kunai, from preparing the paper to forming the handle and adding final touches. Remember, while paper kunai may not possess the practical uses of their metal counterparts, they serve as a creative outlet for paper folding enthusiasts. Feel free to experiment with different paper sizes and designs to personalize your paper kunai further.


  1. Can I make a paper kunai with colored paper? Absolutely! Colored paper can add a vibrant touch to your paper kunai. Feel free to explore different color options and unleash your creativity.
  2. Can I use glue instead of adhesive? Yes, you can use glue or other adhesive options like double-sided tape. The goal is to secure the folds and ensure the paper kunai holds its shape.
  3. What other designs can I create with paper folding? Paper folding offers a wide range of possibilities. You can explore origami animals, flowers, and even intricate geometric patterns.
  4. Can I make a larger or smaller paper kunai? Certainly! The size of your paper kunai is entirely up to you. Experiment with different dimensions to suit your preferences.
  5. How long does it take to make a paper kunai? The time required to make a paper kunai varies depending on your skill level and the intricacy of the design. On average, it can take anywhere from 15 to 30 minutes.

Sharing Is Caring:

The Howtowise team has helped thousands of homemakers fix their household problems with step-by-step tutorials. Howtowise has been featured in The New York Times, Scientific American, Good Housekeeping, Vox, Apartment Therapy, Lifehacker, and more.