Love seeing this work. Have you got sketch book pieces too? What have you used to do it? Looking forward to seeing you very soon.
I tend to just work on big sheets of paper because sketchbooks never have good enough quality paper. The background is photocopy lithography and then i've worked on it with gouache, felt pens, gel pens, pencils and chalk pens. Oh and the coloured squares are screen printed because I needed a fast way to replicate patterns.