Making the Pastel Wave Collection
In case anyone was curious how these images were created, these are the basic steps. Firstly, draw a rectangle for the wallpaper tile, and criss-cross it with lines. Then, empty the tile itself:
Connect up the resulting tick marks with freehand-drawn lines, bearing in mind that every line must be part of a loop leaving no loose ends. The addition of other loops is permitted:
Finally, colour in all the areas with the most ill-thought-out arrangement:
Then you can find out how it looks tiled.