First off the block is watercolour with some posca pen mark making with some geli pen and acrylic ink. I don't have any stencils so making do with what I have.

Second off the block is the acrylic painting grid. I used a card and a little round lid for the mark making on these. 

Third off the block is the acrylic ink grid painting. I liked this one most of all so chose this medium to do my larger pieces.

Last but not least, two larger pieces with the acrylic ink. As you can see, they are nothing like the grid paintings. It took me a while to play around and probably overworked them a bit so I decided to try  give them a focal point with white pastel 'bubbles'. The paper I used for this was Hahnemuhle 450 g/m which I have never used before.