Latest Posts

Symmetry Group Links and Notation

There are many great resources on the 17 plane symmetry groups. I made great use of a couple of on-line apps while writing my Symmetry Tile plug-in. Morenaments This great Java ap...

Symmetry Tile with non-rectangular cells

With the Symmetry Tile plug-in the user selects an area using the rectangle select tool, before running the plug-in. The plug-in then derives a cell to use to form the user's choice ...

Using the Symmetry Tile plug-in for Quilt Design

The block patterns used in quilts are a great example of a pattern with repeating symmetry. Using a computer to play with these repeating symmetry patterns is a great way to design q...

Symmetry Tile plug-in for GIMP

These are the docs for my Symmetry Tile plug-in for GIMP. The plug-in can be obtained here. This plug-in takes the selection from an image ("cell") and produces a new image accordi...

Image alignment with markdown

The standard syntax for inserting an image into a markdown document ![avatar]({filename}/images/El_Avatar2.jpeg) produces this html: <p><img alt="avatar" src="./images/E...