Long description

Figure 19a depicts a regular pattern made up of squares in a grid. Figure 19b depicts a regular pattern made up of triangles. Figure 19e depicts a regular pattern made up of hexagons. Figure 19d depicts an irregular pattern made up of offset squares. Figure 19e depicts a pattern made up of hexagons and squares, where small squares are placed in the centre of four larger hexagons. Figure 19f depicts an irregular pattern made up of triangles arranged within a larger set of hexagonal patterns.