Animated Origami: The Latest Twist on an Ancient Art

By Brenlee Place

The paper folding craft known as origami has been around for hundreds of years. During that time, very little has changed. When an important pattern or diagram was developed, someone would write it down. One ancient book of origami that has survived, called "How to Fold One Thousand Cranes" dates back to 1797 and is noted for its beautifully detailed and intricate drawings. Akira Yoshizawa developed a system of lines and arrows in the 1930s, and since then, the field of origami has been static. Today, with the rise of the Internet, origami techniques have advanced by leaps and bounds as well as becoming more readily available to the masses. Animated origami has been born from the development of Flash animation.

Akira Yoshizawa's new system of diagramming was a great breakthrough because it completely sidestepped the written language, which opened the doors for origami models to be shared all over the world. Yoshizawa's notations have grown to be so admired that they have been integrated into the large majority of origami diagrams and related publications ever since.

When dealing with origami diagrams, you usually just have to record the most important folds in the formation of each model. Even if you have very little experience, the steps can typically be followed without much difficulty. However, because only principal folds are recorded, beginners may sometimes fight to picture how the paper should be folded between principal folds on the diagram. If a beginner becomes stuck, there is little else to do but keep trying or look for somebody else to help. However, with the advent of the Internet, help is at hand the majority of the time due to the increasing number of websites that give animated visual instructions to fill in the missing details.

Since the early days of the Internet, animation software has progressed by leaps and bounds. Animated GIF's were very popular in the 1990s and many are used in origami animation today. Animated origami uses the animated GIF format, usually running in stages, meaning, on completion of the first step, a link is provided to follow the animation for the second step, and so on. When small file sizes were of absolute importance, this was the best way to work because the file size of each animated step could be kept to a minimum for easy viewing and downloading.

A software program known as Splash was developed in the 1990s that could animate graphics and output them in incredibly small file sizes. The software program soon evolved into the now well known Flash, and today, the Flash player and its associated animations have become entirely imbedded throughout the Web. With Flash's ubiquitous presence and ability to produce smooth animations, interactivity and small file sizes, it has offered a natural platform for the creation and animation of origami diagrams.

Animated origami doesn't just cover two dimensional, still objects, as it also covers moving objects. It can move in some very clever ways. Action origami includes origami that needs inflation to be complete through kinetic energy as well as origami that flies. The extra energy that an object possesses due to motion is kinetic energy and is defined as the mechanical work needed to accelerate a body of any given mass from at rest to its current velocity. Who would ever have guessed that simple origami would become so scientific? - 33381

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