Introduction: Paper Kunai Knife

Finally a kunai made of paper (and a pencil)

Materials needed:

Paper (rectangle, not square)
Pencil (new and unsharpened)
Tape (duct tape recomended)

This is pretty simple and requires little origami knowledge.

Step 1: Step One

Take a regular piece of paper and fold it in half long ways(hot dog style as the little ones would call it) and unfold so you have a nice crease. Then fold the edges in so you get a piece that looks close to the image.

Step 2: Fold in Half

Fold over the top towards you (hamburger style...) so it looks like the pictures.

Step 3: Step 3

Remember those paper airplanes you used to (and maybe you still do) make? Do something like that here. Also it will help for later if you crease a line underneath the triangle part of the first picture.
A suggestion by a certain commenter says that you should crease everything as much as you can after this step. I'm sure it will work

Step 4: Step 4

Now using the line you hopefully just creased, fold over a part of it so the folded part touches the crease line in step 3, the middle, and the edge of the left side. In the picture, it looks like it doesn't touch the side but it does. Its just folding up. Unfold and do the same with the other side.

Step 5: Kind of Complicated...

Now you should fold the bottom edges in like the first picture. Make sure they line up with the middle. After that, use the crease that you made in step 4 to determine where to refold the edges out They should line up with the crease like the picture (which is a wee bit dark. Sorry...)

Step 6: Get It to Look Like the Kunai

Unfold the last fold you just made so it looks like the first photo from step five except with a crease. Fold over the flaps on that crease so one flap goes on the other.

Step 7: It's Gonna Kill You!

Ok, now you finished it. Or so you thought. Now you have to do the same thing again. Sorry!

Step 8: Putting It All Together

Now this is pretty easy but hard to discribe. You have to turn one over and put one flap of one and put it in between the other one's flap. Make sure the flat side faces out and it remains flat!

Step 9: Have Some Fun... With Tape!

Duct tape them together so they'll stay. Be extremely careful about the flaps on the end (the shorter end)Don't tape them together!
Now you can put the pencil in the untaped end and wrap tape around the short end to tighten it and keep the pencil in.

Optional: wrap tape around the pencil (it matches)before you put it in the paper.

Step 10: You Are Finally Done!

Have fun throwing these things aorund. If someone would like to think of a way to attach some sort of loop on the end, go ahead and suggest away. Also please don't hit people with these. They will hurt!
Also I have videos of me being an idiot with my kunai!

Comments

author
GhostGamesDesu (author)2016-12-14

i made mine but its 3-D instead of being flat. I'm very proud.

author
knucklehead07 (author)2016-02-26

i like this kind of origami

author
dragon0305 (author)2010-12-16

This thing doesent look like a real kuani from Naruto

author
Annabeth42 (author)dragon03052016-01-10

Not everyone owns sharp metal and welding tools, plus, it's just for fun anyway

author
shadowshuriken123 (author)2011-12-08

wtf make better kunia

author

*kunai

author
Baron TinoH (author)2015-12-21

nice made it with clear tape looks good

author
OscarH1 (author)2015-02-04

made it in school nobody cared LOL

author
dinocat4 (author)2012-09-10

...

author
dinocat4 (author)2012-09-10

im not dead

author

dude so cool i made mine with gold duct tape

author
msimon-horton (author)2011-09-10

Cool it was eally easy to make!

author
eggbert131 (author)2011-04-09

if you like assassins creed tell me

author
kweathersby (author)eggbert1312011-08-13

man dat game hella bottsy man idk but only FAP lke dat just sain and FAP means fagget as ppl

author
hidankill (author)eggbert1312011-07-29

ASSASSINS CREED IS EPIC!!!!!!!!!!!!!!!!!!!!!

author
hidankill (author)2011-07-29

madness...... This, Is, IMPOSIBLE!!!!!!!!!!!!!!!!!!!!!!!!!

author
wonderdog01 (author)2011-06-29

Put a key ring on the end for a loop

author
xx_spookster420_xx (author)2011-05-06

Lol, I made mine with orange duct tape! It still looks cool!

author
GamerFang (author)2011-02-08

o crap forget this ima be late for school XD

author
BloodRayne (author)GamerFang2011-03-10

lol!

author
mrbunny100 (author)2011-01-16

when i will make it i will kill you all

author
sakuro84 (author)2010-12-05

it didn't kill me im a jashin

author
roxydog559 (author)sakuro842010-12-15

dude not right its "im a JANSHINIST

author
Halo nerfer (author)2009-10-20

How do you make it so small I don't get it My's 4 times the size of yours.


author
IamSASORI (author)Halo nerfer2009-11-24

look at step 1/2. he folds the paper.

author
roxydog559 (author)IamSASORI2010-12-13


yay for sasori

author
Halo nerfer (author)Halo nerfer2009-10-20

Oh yeah make more please.........

author
sakuro84 (author)2010-12-05

This is cool i added a key ring from a key chain on to it and........it does hurt because i threw it, but it came back and hit me.

author
sakuro84 (author)2010-12-05

awsomness

author
zombiesurvival (author)2010-11-17

ataching a loop is actually rlly easy, take a strip of tape, make a paper loop, put the tap in the loop so it looks like a cross from the top, attach to handel, secure


DONE


srry

author
Puzzywuz17 (author)2010-10-29

I smell like fish, if anybody wants my mobile number it is: +447905715548

author
defense (author)Puzzywuz172010-10-29

why did u guve a phone number that is probably not your

if it is for a prank it is all good i like pranks

author
bamcar1 (author)2010-09-03

lol

author
bamcar1 (author)2010-09-03

lol

author
bamcar1 (author)2010-09-03

lol

author
bamcar1 (author)2010-09-03

lol

author
ianhs1 (author)2010-07-28

come on is that the best you can do add more pics

author
T3h_Muffinator (author)2007-04-11

Note the "We have a 'be nice' comment policy"...

author

Muffins are just ugly cupcakes XD jk

author

lolz my sister has a shirt that says the same thing XD

author
aniahlator (author)2010-05-10

 I think it's about to kill meeeeeeeeeeeeeeeeeea;dauieygda6rkaP;/['>

author
orogamifan (author)2009-05-02

Is there any way to make em heavier so they're more realistic?

author
Slizer (author)orogamifan2010-04-22

i usually fill it with hot glue

author
Reptiliar (author)orogamifan2010-04-05

Yes there is the most common method is toput pennys in it and tape up the bottom so the dont fall out.

author
joey joe (author)2010-04-05
                    
                    
 
author
richbow (author)2010-03-31

you guys suck

author
FFVIIBOY (author)2010-03-28

Thanks to you ive been makin paper kunais for about a year and a while ago i made a paper kunai that looks like the 4th Hokages kunais. just make a paper kunai and 2 paper claws, then cut off the part of the claw your finger goes in like the pic below and tape it on to the side

author
Weaponsmith (author)2009-07-31

This is really awesome. I used two pencils for the handle, painted it, used duct tape and it was awesome!! Thanks man (or girl) if anyone reads this message me and give me any weapon tips/ comments/ instructables. I am a certified ninja.

author
FFVIIBOY (author)Weaponsmith2010-03-28

Well im not a certified ninja but i am a ninja

author
chomper96 (author)Weaponsmith2010-02-25

i am a ninja to and go to my instructable just click my name and comment too

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