Wednesday, November 6, 2013

Wallpaper group cm

Okay, well, I fell off the horse a few weeks, but I'm back! Let's continue with wallpaper groups.  Tonight's pattern is cm:

Wallpaper group diagram legend reflection.svgan axis of reflection.
Wallpaper group diagram legend glide reflection.svgan axis of glide reflection.
Image and Key: Source: Wikipedia

I can't find my stylus, so I'm drawing in illustrator with the mouse. Here's the basic half-cell.
Here's the cell after the reflection. The black lines are just to show structure.

 Now I start to assemble the basic pattern:
And here's the final repeat: