# Menger & Sierpinski

This is a Menger Sponge. It is made from plastic canvas. A Menger Sponge is a 3D fractal. It is named after Karl Menger. The basic idea is that you take a cube and remove a square tunnel from the centre, in all three directions; then you remove a square tunnel, in all directions, from …

# Modular Knitting 3

How to use modular garter stitch shapes with 45, 90 ad 135 degree angles. Previous posts about making the shapes1. Knitting at MathsJam2. More Modular Knitting Now you know how to make the shapes, what can you do with them? You could make a small cushion or go on, as many people have, to make …

# More Modular Knitting

In an earlier post I described what happens at a typical Woolly Thoughts workshop about modular knitting and why these foolproof methods work. Begin with a garter stitch square, knit diagonally: Make a slip knot Increase by knitting into the front and back of the loop Increase at the end of every row until you …

# Knitting at MathsJam

Last week I gave a talk at MathsJam Annual Gathering. This is an amazing annual event where ‘mathematicians’ from around the world get together. It isn’t the boring number stuff you might imagine. When 200 eccentrics (of the nicest possible kind) get together it leads to mind-bending fun, puzzles, games, performances, cake baking, singing and …

# Hyperbolic Barbie

Hyperbolic crochet has become very popular in recent years. It has been used world-wide in various coral reef projects. The world expert in the mathematics of this art is Daina Taimina. Our latest mathematical pattern for Barbie and friends is Hyperbolic Barbie. Hyperbolic geometry is quite complicated but you don’t need to understand it to …

# Carnival of Mathematics 175 – Sum Square Over The Rainbow

You might be wondering what a couple of knitters are doing hosting the Carnival of Mathematics. If you are not familiar with the methods we use to teach maths you might want to check out our main Woolly Thoughts site. It has got rather rambling over the last 20+ years. The Afghans page is a …

# Warrington’s Geometric Car Park

This week we decided to go to Warrington – and this was the view from inside the car park. I love all these different size hexagons. This is the outside of the car park. Unfortunately, it was in shadow. There is a lot of building going on in the town centre. We really went to …

# Sum Wear Over The Rainbow

Rainbows and circles for Barbie (and more). This is the latest pattern in the Sum Wear collection. It is a pattern for knitting three dresses, and a shawl. More importantly, it includes a mini-tutorial about knitting circles. The two dresses with long skirts have different tops. One is in garter stitch, the other is stocking …