Basic Flex Notation
Some of the most important advances in the study of flexagons in recent years have been made by Scott Sherman. It all started when Sherman started to write “Flexagonator”, a …
Course: Flexagons Galore: Advanced Flexagon Fun
Flexagon Analysis
Let’s return to the basic tri-hexa-flexagon and explore some of its properties. You made this flexagon from a pre-coloured strip of paper. Of course, Arthur Stone and his friends didn’t …
The non-cyclic hexa-tetra-flexagon
Here’s another tetraflexagon that is nice to make and book-flex. Download and print the template below, template number 2 in the flexagon booklet. Watch the video and follow the instructions …
The V-flex
Fold a V-flex only hexa-flexagon Fold the V-flex only hexa-flexagon by following these instructions: Download the file below (template number 10 in the flexagon booklet) which has the templates for …
What is a Tuckerman diagram?
Mathematicians aim to give a precise description of the objects that they are studying so that people can understand what they are doing. Bryant Tuckerman, a prominent mathematician, designed a …
How do you name flexagons?
Here, we will take a look at nomenclature, which is the naming system for flexagons. Because as often happens in maths and science, there are a few systems for naming …
The tri-hexa-flexagon
Fold a tri-hexa-flexagon Fold the tri-hexa-flexagon by following these instructions: Download the file below (template number 3 in the flexagon booklet) which has the templates for the back and front …
What are flexagons?
A brief introduction to flexagons What are flexagons? That’s quite a difficult question to answer as there are so many different kinds. I suppose the best way to describe it …
How to label a flexagon
There are many ways to label a flexagon. Two important labels to understand are leaf id’s and folding numbers: Leaf id’s assign a different number to each leaf to distinguish …
The magic square flexagon
Not all book flex flexagons are non-cyclic. Here is an example of a magic square tetra-tetra-flexagon that is cyclic and flexed using the book flex. First, though, we’ll briefly introduce …
Introduction to second week
In the first week, you really only learnt the very basics – what are flexagons. You were introduced to three flexagons whose basic unit is a square. You practiced building …
Introduction to third week
Up until now, we’ve only used two flexes: the book flex for flexagons with square leaves, and the pinch flex for flexagons with triangular leaves. In fact, as we shall …
How to Label Flexagons
We can label flexagons using Les Pook’s flexagon symbols. These symbols are great because they identify flexagons at a glance and contain important information about their structure and dynamics. We …
Scott Sherman’s approach to flexagons – the big picture
The big picture Scott Sherman’s flexagonator program and his approach to flexagons in general has made a significant impact on the study of flexagons. Coming from the perspective of a …
The twist flex
One of the simplest prime flexes there is, is the twist flex. Try it out for yourself! Download the template linked in the ‘related files’ section of this step (template …
