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Cahoonas's Profile Picture
Artist | Hobbyist
United States
Update: I am currently in professional school so my post frequency will probably slow down!

I am an origami hobbyist currently interested in origami design. Whenever I have some free time, I try to improve these skills through the practice of various origami techniques and designing origami models. My designs are often based on whatever strikes my interests, such as video games, television shows, and objects in real life that are not commonly done. This gallery is my way of having my creations and some of my notes online, as well as a way to share with others what I have made. I occasionally accompany my designs with at a crease pattern, and in rare cases a guide or instructions.

Occasionally I'll post designs by other artists that I've folded as interest pieces, which will be indicated in the description and in brackets in the title.

Don't take anything I do seriously. =D

WIPs, alternate views, and extra-silly stuff you don't see here go in my Tumblr:

Photos, angles, or refolds can also be found on my Flickr:
I just found out my monster hunter origami has been featured on Capcom's blog. If you've come to this page from there, hello visitors! If not, hello anyways!


Red Blood Cells by Cahoonas
Red Blood Cells
Each model folded from an uncut 9" square of red pacon 

A couple of red blood cells. Relatively simple in structure, I wanted to see if I could replicate a biconcave shape that was fully enclosed. This meant that popping out the curved ring around the edges was a tricky task. I'm pretty happy with how it turned out.

Vertebra CP by Cahoonas
Vertebra CP
Crease pattern for my vertebra model: Lumbar Vertebra

Built on a 16x16 grid, if you collapse the base, it comes out pretty boxy. The rectangular box that would eventually be the vertebral body is 2x1.5x1.5 squares. I truncated the corners of this rectangular box to round out the top/bottom views. The pleats at the top of the square wrap around and tuck into two triangular slots inside the box.

Flap-wise, this crease pattern includes 3 flaps per side:
Spinous process: long flap pulled from the lower corners of the square. The two flaps wrap around the foramen and combine via improvised tab-slot
Transverse process: pulled six units up from the base of the square at the sides
Superior articular process: a middle flap embedded in the transverse process flap
Posterior articular process: technically not included here due to it being less prominent in some vertebra. I used a elias stretch on the long spinous process flaps to get a 1 square long flap for this.

I've tried folding the thoracic and lumbar vertebra from this base; I preferred the lumbar.
Lumbar Vertebra by Cahoonas
Lumbar Vertebra
Folded from one 16" uncut square of off-white Kozo paper

So I've been studying anatomy and had quite early on come across the spine. I found the spinal segments, or vertebra to have quite interesting shapes and tried my hand at recreating it in paper. There weren't that many spine origami models out there (even less that are human) and thus tried my hand at recreating a relatively accurate representation of this bone. Of course, the challenge was to recreate a relatively complex and curved organic structure using only a single uncut square. Since the vertebral body was a portion of the model I wanted to keep 3D and fully enclosed, I designed this model from a box pleating approach. The vertebral body was formed from a 3D rectangle with the corners truncated. Aside from that, the rest of the flaps were shaped around the vertebral foramen and come together again at the spinous process. I'm actually surprised with how well the whole thing holds together. Aside from the truncated corners and the vertebra body being a little tall, I'd say I got as close to the real thing as I could have.

Separate and additional pictures:…
Crease Pattern: Vertebra CP
Ryujin 3.5 [Satoshi Kamiya] by Cahoonas
Ryujin 3.5 [Satoshi Kamiya]
Folded from a 6 foot square of kraft paper
Crease pattern found in Satoshi Kamiya's book "World of Supercomplex Origami"

Hmmm, where to start with this one? This is Kamiya Satoshi's famous super-complex dragon, the Ryujin 3.5, folded from a 6'x6' square of kraft paper (actually two 6'x3' rectangles taped together). Ever since I saw Kamiya Satoshi's own fold of his dragon, I hoped to one day successfully replicate his model. However this was several years ago and at the time I was unsure if I would ever have the ability to do so. In the mean time, I began designing my own designs. Fast forward to December 2013, where Mr. Origami (… ) offered to guide those interested in the techniques required to fold this model. I took him up on his offer and many test folds later, I'd say I reproduced a recognizable model!

I originally started this model in January 2014. With a new roll of kraft paper, the official crease pattern, and Mr. Origami's guidance, I began folding both halves separately from 6'x3' rectangles.  As you can probably guess, folding and shaping the scales took the most time, and even became mind-numbingly tedious at times. Work on this model progressed off and on throughout the monthes. After both halves were completed, I joined the two halves with tape and ran wires through the model such that it would hold it's shape. PVA glue was used to close the model. Of course, purists might argue that the use of tape, wire and glue might be taboo in origami. The wire and glue aren't absolutely necessary, but serve an important role for holding the model's pose and keeping it presentable. Additionally, the way the halves are taped together would make a complete square if you were to unfold the model. The kraft paper itself presented a few challenged in terms of thickness. Though it was pretty easy to fold, layers tend to build up around the neck and legs, making it tricky to manage. Also the scale tessellation ended up not being exactly uniform and minor buckling would occur around tight turns around the body. All in all after dozens of hours and tweaking details with MC, I feel this is as much as I can do for this model. 

That's one thing crossed off my bucket list. Though this was certainly quite the interesting project, I doubt I'll be undertaking something of this magnitude in the future! Man, Satoshi Kamiya can sure design his models.

Progress views
Preparing both halves:…
Closing and posing:…

 Update: He's now on display at the Paper Tree in San Francisco Japantown!

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Collecter128 Featured By Owner Dec 26, 2014
Thanks for the badge!3D Llama Badge 
Sinornithosaurus Featured By Owner Sep 2, 2014  Hobbyist Traditional Artist
How long have you been doing origami?
Cahoonas Featured By Owner Sep 2, 2014  Hobbyist
I started when I was around 6 or 7 so it's been roughly 18 years I think. However, I've been doing it on and off (mostly off) throughout those years. I was introduced to origami when I borrowed some arts and crafts video tapes that taught basic origami. I soon moved onto books and whatever diagrams I could get my hands on. However, it was more recently(as in three years ago) that I decided to try learning crease patterns and design my own models. However, I took it slow with the learning process so I'm sure somebody could get to where I am in a fraction of that time!
Sinornithosaurus Featured By Owner Sep 2, 2014  Hobbyist Traditional Artist
Interesting, you're really good at this though!

Just out of curiosity, are there any resources you would recommend for someone interested in advancing their origami skills?
Cahoonas Featured By Owner Sep 3, 2014  Hobbyist
Kind of depends on where you are in skill and what you want to do. Peter Engel and Robert Lang have books out that have very clear diagrams that range from simple-intermediate to complex. If you can master these, you've got a pretty good grasp of origami diagrams. If you want a challenge, I then recommend trying some origami house publications, notably works by Satoshi Kamiya or Hideo Komatsu. They have really spectacular animals/fantasy creatures and take several hours to fold. origami house also has some nice books on realistic insects and dinosaurs if that's more your speed. Lastly, if you want to learn how to design your own models and better understand crease patterns, I highly recommend Robert Lang's Origami Design Secrets. It's quite literally a textbook, and I treat it like one. Lang does a great job of breaking down origami models into their basic components. Work through the book and do the examples. These are just the examples I can come up with off the top of my head so if you find another book you like, go for it!

Aside from books, there are lots of resources online. Sara adams and tadashi mori make solid tutorial videos. Also there are lots of crease patterns and diagrams online, though their diagram quality may vary. Hope that helps!
(1 Reply)
nekomancer123 Featured By Owner Jun 18, 2014  Hobbyist Artisan Crafter
Thanks for the llama :) (Smile) !
josthebomb Featured By Owner Mar 29, 2014   General Artist
I looked through some of your work. You're AMAZING!!
Cahoonas Featured By Owner Mar 29, 2014  Hobbyist
Thanks! I'm glad you like them!
FairyBubblePuppy Featured By Owner Mar 18, 2014  Student Writer
We have the same birthday, don't we? I think we discovered that a little while ago but I'm not sure if you remember. :) anyway, happy birthday!!
Cahoonas Featured By Owner Mar 18, 2014  Hobbyist
Oh yeahhhhhh, happy birthday to you too!
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