# division

- Author:
- chris cambré

## unit repeat

How to divide a polygonal pattern into a second layer?
We’ll illustrate with an example. Below you can see a typical pattern with a 10-pointed star, surrounded by pentagons and rhombuses. The unit repeat is drawn in red.

## dividing the unit repeat

You can create a division a follows:

- Construct regular decagons at the corners of the line pattern so that they are tangent. Below you can see that two decagons overlap. For this an alternative is provided.
- Fill in the remaining area with polygons of the 5-fold system. The overlapping decagons are replaced by bow ties and hexagons.

We duplicate the divided unit reapeat by mirroring.

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