This was made in square format 15 x 15 cm. Paper used was professional 100% Cotton from Arches, cold pressed. It is a pleasure to work with such a paper, but it is awful expensive, so I don't use it that often. Painting is done in line and wash technique and was done after a tutorial I found on YouTube. I think about switching to acrylics now, due to the fact that I feel I need to do something different and I want to try the pouring fluid to lengthen the drying time of acrylics and see if blending works better then. Let's see..