The realtimevideo of this is a bonus on my course Abstract Landscapes. You can find that here: https://camilla-damsbo-art.teachable....
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MATERIALS:

Paints:
Paynes Grey
New Gamboge
Moonglow

Brushes, credit cards and other stuff:
Credit card
Synthetic round brush size 6
Cling wrap
Cellophane

Paper:
300g cold press. I use a block that is glued on the edges to avoid buckeling. Try taping it down or stretching it if you havent got that.