About

My name is William Gozali, born in the 90s in Indonesia. On internet I am known as gyosh, or gyosh_ if the username has been taken. I purposely pick gibberish for handle but surprisingly still have this problem.

I have started to be interested in origami since kindergarten and started studying complex origami in 2013. This art form fascinated me because it is a blend of science and art.

Professionally I am a software engineer, although without specific specialization. Currently just doing general scripting to automate data processing. I have another blog about data structure and algorithm (but it is all in Indonesian): https://kupaskode.blogspot.com/.

Besides origami, I enjoyed:

Natural history, by watching documentary film or reading encyclopedia about wildlife
Playing Rubik's cube, at some point I was sub-23 seconds
Studying and reading maps

This blog is dedicated for knowledge sharing on origami, as I have received much knowledge from my fellow paper folders.

My style of origami is "single sheet uncut paper", with methyl cellulose treatment which keeps the model from splaying apart. Even though I mostly use 22.5 degree method, it's not my pledged method of design. I follow "using the right tool for the right job" approach. So occasionally I would do box pleating or circle packing, no matter how resentful I am to do all those precreasing.

To benefit from this blog, you would need to understand the basic of origami design. These can be learned from:

"Origami Design Secrets: Mathematical Methods for an Ancient Art", by Robert J. Lang. The book is long, but it is the most complete textbook for origami design so far. Anybody who wants to design origami has to read it.
"Origamix - Theory & Challenges", by Tetsuya Gotani. Much thinner in content, but provides more modern approach in origami design. This book complement Origami Design Secrets.
"Genuine Origami: 43 Mathematically-Based Models, From Simple to Complex", by Jun Maekawa. This book doesn't provide design method in depth, but gives explanation on math and geometry in the design. The models featured here are elegant and purely paper folding; it looks origami-like and can be folded without sizing agent due to clever locking mechanism.

You can find me on https://www.instagram.com/gyosh_

Comments

Origami Frigatebird v3

My frigatebird's color is fading, so I thought about refolding it with something better than double tissue. While doing so, I got some ideas to update it. Now it has distinction of lower/upper beak, and individual toes. Also used this opportunity to fold the female version.

Origami Turkey Vulture

Turkey vulture is a type of vulture whose head and color just happened to look like wild turkey. I frequently see them in San Jose and its surrounding wilderness, slowly soaring and gliding on low altitude. Their V-shaped pose with occasional wobble is rather unique, so it is easy to identify them.

Origami Proboscis Monkey

Adult male proboscis monkey has a large nose that dangle below the mouth. It's like Squidward. Apparently it's used for producing sound and natural selection prefer the louder one. Image credit: https://eol.org/pages/310436 It is endemic to Borneo and is critically endangered. Coincidentally a comrade in Origami Dan, Naoki , asked me to join force for raising awareness on endangered species. From now on, my every design with endangered species will have the red stamp with tarsier face.

Origami Crocodile

A simple crocodile foldable with any regular paper in 15 minutes.

Warped and Wrinkled Paper Curse

After starting using Carboxy Methylcellulose (CMC), I began to wonder if my setup wasn't right. The problem was my double tissue would always peel itself when drying. There will be high pitched popping sound from the paper every now and then. Finally it would be completely off the surface. Whereas on every tutorial I saw, the paper will still stick to the surface and we have to peel it off. The bad part is the paper will be warped; it's not flat. It is difficult to fold a straight line on paper like this. Imagine precreasing a grid or locating references when your fold can be bent due to the paper's bump. I have theory on why the warp happened. Before going to that, it is important to know that: When a paper is wet, it expands. When it dries, it will return to the original size. However it will keep its shape when it is wet, meaning that if it is bent when wet, it will retain that bend when dried. When my paper dried partially, that region will shrink. This created differe...

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