## Origami design process – Part 2

Post is a part of a larger series (Design process): Origami design process (introduction) Origami design process – Part 2 Origami and circles Relationships between basic elements of an origami model Maekawa-Justin and Kawasaki-Justin theorems How to hide an unused paper in your Origami model? Can central flaps be free? Why is central fold opening so popular? Crease…

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## Universal molecule

Post is a part of a larger series (Uniaxial base): Traditional Origami Bases Uniaxial base Universal molecule Rabbit ear If you have ever tried to design a uniaxial base using circle packing method, then you probably know that process is based on the so-called divide and conquer approach. To make the long story short: all crease patterns of…

## Swivel fold

Post is a part of a larger series (Folds): Valley and mountain fold Swivel fold Sink fold Petal fold Rabbit ear What is swivel fold is not easy to define, but I can try using a well-known example. In figure 1, a swivel fold is performed on a Preliminary fold with one of its flaps Squash Folded (figure…

## Rabbit ear fold

Origami rabbit ear is one of the primary folds in origami. In its essence, a rabbit ear is an elegant way to force three lines or folds that forms a triangle to coincide.

Uniaxial base

## Uniaxial base

What is a uniaxial base? Post is a part of a larger series (Uniaxial base): Traditional Origami Bases Uniaxial base Universal molecule Rabbit ear Every origami model, no matter how complex, has a base in its core. Those bases can vary in their complexity, from simple traditional origami bases to complex custom made bases that can be seen…

## Crease pattern

Post is a part of a larger series (Design process): Origami design process (introduction) Origami design process – Part 2 Origami and circles Relationships between basic elements of an origami model Maekawa-Justin and Kawasaki-Justin theorems How to hide an unused paper in your Origami model? Can central flaps be free? Why is central fold opening so popular? Crease…

Post is a part of a larger series (Uniaxial base): Traditional Origami Bases Uniaxial base Universal molecule Rabbit ear Every origami model in its essence has a base. No matter how complicated or simple a model is, the base is always an initial step. In traditional origami, there are only a handful of bases and all traditional origami…

## How to Collapse Box Pleated Crease Pattern?

Post is a part of a larger series (Advanced concepts): Elias stretch Pythagorean stretch Pythagorean stretch - advance concept (no.1) Level shifters How to Collapse Box Pleated Crease Pattern? Introduction One of the most stated questions on the WEB regarding Origami is: How to collapse a crease pattern based on a box pleating method. Surprisingly the answer is…

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## Pythagorean stretch

Post is a part of a larger series (Advanced concepts): Elias stretch Pythagorean stretch Pythagorean stretch - advance concept (no.1) Level shifters How to Collapse Box Pleated Crease Pattern? Pythagorean stretch Introduction Origami models based on a box pleating method are on average smaller compared to the similar models based on a circle packing method. In extreme cases,…