Before starting to paint, I make an infinite number of sketches and preliminary projects, so that I can choose what I want to keep. […] There are times when I also modify my final sketches, one could say it's like a kind of ‘gestural geometry’, where improvisation and spontaneity are still alive. There is no doubt that concrete geometry is rational, for me its essence is to combine and compose with geometric forms that I like; such as the square, the rectangle, the triangle, the circle, the semicircle. [...] Thus, as I adjust the composition, I do the same with the colours, I play with their intensity and look for contrast. (José Rosabal, hypermediamagazine.com)