Nature

Here all the pieces are in the same position. It's a movement.

In this one the image is symmetrical to the one before.

Here are pieces doing zigzag.

Or sloping parallel lines.

In this one you can see drawings that look like snakes.

Here is a spiral.

Squares upside down, getting bigger each time.

Here there are squares in two colours placed alternatively.

And here there are some yellow and green squares.

The windmills. They are made with 4 tiles in a different position, in a turning shape.

Another mosaic with more pieces, making a bigger drawing.

In this one we used tiles all yellow.

Parallelograms

A combined stripe.