The origami knife consists of three parts: the main knife part, the sheath, and a unique knife guard located between the blade and the handle. Origami knife has a long history back to the Japanese origami. It is one of the top popular origami weapons.

origami knife | origamiok

Unlike a real knife, this origami knife is completely safe, making it a perfect project for all ages. Make an origami knife with your child, in the process, you can teach them about knife safety in the process in a fun and engaging manner.

  • Folding time: 20 minutes
  • Paper: 15ร—15 cm / 3
  • Difficulty: Middle

Material

Get three pieces of 15ร—15 cm square paper to create a 15cm long origami knife. Use various colors of paper to create a unique knife that suits your style.

origami knife | origamiok

Step by Step Instructions

Step 1

Take out the light blue paper and place it with the blue side facing down, fold it horizontally, and unfold it.

origami knife | origamiok

Step 2

Fold the top and bottom left points diagonally to meet the horizontal crease.

origami knife | origamiok

Step 3

Fold the top and bottom left edges to align with the middle horizontal crease.

origami knife | origamiok

Step 4

Fold the top and bottom points along the black dotted lines to meet the midpoint of the right edge.

origami knife | origamiok

Step 5

Fold the top and bottom edges to align with the middle horizontal crease.

origami knife | origamiok

Step 6

Fold the paper in half horizontally from top to bottom, then cut the right end a little.

origami knife | origamiok

Step 7

Take out the black paper and place it with the black side facing down. Fold it in half horizontally and unfold it, then fold the bottom edge to align with the middle horizontal crease, leaving a crease, and unfold it. Finally, cut along the crease you made.

origami knife | origamiok

Step 8

Use the small rectangular piece of paper you just cut, which we marked number one in the picture, to wrap it around the bottom of the knife. Apply glue to the end to secure it in place.

origami knife | origamiok

Step 9

Take the piece of rectangular paper we marked number 2, and wrap it around the top of the knife. Apply glue to the end to secure it in place.

origami knife | origamiok

Step 10

Remove the longer wrapped paper on the left, place it under the knife, align it, and cut the wrapped paper along the beveled edge of the knife. The sheath is ready.

origami knife | origamiok

Step 11

Take out the last piece of paper and place it with the blue side facing down. Fold and unfold it horizontally, then vertically.

origami knife | origamiok

Step 12

Fold the bottom edge to align with the middle horizontal crease, leaving a crease, and unfold it. Then, fold the bottom edge to align with this crease, and unfold it.

origami knife | origamiok

Step 13

Fold the bottom edge up a little horizontally and unfold it. Cut the paper along the creases indicated by the dotted lines, as you can see in the third picture. We will only use the papers marked with numbers one and two.

origami knife | origamiok

Step 14

Take the paper marked number 1, fold it in half vertically, and unfold it.

origami knife | origamiok

Step 15

Rotate this paper 90 degrees clockwise, then fold the top and bottom edges to align with the middle horizontal crease.

origami knife | origamiok

Step 16

Fold the top and bottom edges to align with the middle horizontal crease.

origami knife | origamiok

Step 17

Fold the four points diagonally, and unfold them.

origami knife | origamiok

Step 18

Fold the left and right edges toward the center of the paper along the dotted lines, and unfold them.

origami knife | origamiok

Step 19

Unfold the paper completely, then cut the paper along the crease in the center shown by the dotted line. Using a small craft knife will be easier.

origami knife | origamiok

Step 20

Fold the top and bottom edges toward the center along the creases indicated by the dotted lines.

origami knife | origamiok

Step 21

Fold down the top edge.

origami knife | origamiok

Step 22

Mountain fold the two short horizontal creases indicated by the red dotted lines, then lift and push the bottom sections of the left and right edges toward the center [picture 1].

Next, fold up the bottom edge and then fold up the whole bottom part [pictures 2 and 3].

Finally, tuck the top left and right corners into the pocket next to them [pictures 4 and 5].

This is the knife guard.

origami knife | origamiok

Step 23

Assemble the guard and the knife.

origami knife | origamiok

Step 24

Take the piece of small rectangular paper we marked number 2, and wrap it around the bottom of the handle of the knife. Apply glue to the end to secure it in place.

origami knife | origamiok

Step 25

This is a complete knife with a sheath.

origami knife | origamiok
origami knife | origamiok

If you think it’s not cool enough to just have one knife, then fold another origami sword, Hold one in each hand for double the fun!

Since this knife resembles a fruit knife, why not fold some origami apples to create a fun origami scene?

If you are new to origami, start here from our beginner guide to know the basics and how to read the step-by-step instructions.

origami sword | origamiok

Origami Sword

origami apple | origamiok

Origami Apple

What’s Next

Now you must have successfully made this cool origami knife. You can now explore our other interesting origami toy ideas. Enjoy folding!

Other Origami Toy Ideas

Origami Star Wars TIE Fighter | origamiok

Origami Star Wars TIE Fighter

20 Minutes

origami minecraft creeper | origamiok

Origami Minecraft Creeper

20 Minutes

origami spinner top | origamiok

Origami Spinner Top

20 Minutes

origami dreidel | origamiok

Origami Dreidel

20 Minutes


origami knife | origamiok

Leave a Reply

Your email address will not be published. Required fields are marked *