Ribbing

Section of a pot plant with 'grunge' filter.

[Christine Sztukowski]

Cool look

[Cordiander]

Interesting... I can't imagine what it is. The flowerpot?

[Shutterbug]

Makes an interesting abstract.

[AnnabelleQ]

@cordulaamann It's the side of an indoor flowerpot taken looking up at the pattern.

[Cordiander]

@aq21

Thanks! Now I understand :)