Playing with transforming patterns, positive to negative. After I finished the two spheres it just felt right to add some ribbons. Not sure about the warm greys I used on the ribbons though, as the marker bled into the Moleskine paper and went a bit too stripy for my taste. Faber-Castell PITT pens (XS, S, F, M and B) in 13x21cm Moleskine sketchbook.