Inspired by Alexandre Villares and his sketch-a-day, I have been coding sketches everyday and publishing the code here and at the github.com/ericof/sketch-a-day repository.
Circularis strepitus IV
Circularis strepitus III
Circularis strepitus II
Circularis strepitus I
Polígonos e gradientes XV
Polígonos e gradientes XIV
Polígonos e gradientes XIII
Polígonos e gradientes XII
Polígonos e gradientes XI
Polígonos e gradientes X
Polígonos e gradientes IX
Polígonos e gradientes VII