I thought it would make painting the background splash easier if I used masking fluid on the edge of the birds before I started, but after my background splash had dried and I started to remove the masking fluid, I discovered that it had left a yellow stain on my paper all the way around the age of the cockatoos.
It looked awful, and I came really close to ripping the painting off my board and starting again. I should have known better and I always tell all my students to test the masking fluid on the edge of the paper before using it to make sure it doesn't discolour or tear the paper when removing it.
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