Protozoa Princess

Protozoa Princess

New Colouring Page - Biofilm Bacteria!

New colouring page for paid subscribers

Kate Solbakk's avatar
Kate Solbakk
Dec 01, 2025
∙ Paid

Hey everyone!

I recently started re-watching Stranger Things, and some parts of the Upside Down make me think a lot about microbes, and biofilms in particular. I imagine shrinking down to explore the microbial world would actually be a pretty similar experience, although I think the predators would be even scarier.

I also recently completed the first stages of the biofilm system in my game Cellscape, so with biofilms on my mind this illustration of biofilm bacteria felt like the perfect colouring page to make next.

This piece was a lot of fun to make! I remember drawing it back in 2022 after looking at newly-developing biofilms along living plant roots in the microscope. It was sort of like abstract painting, with many repeating patterns of bacteria and slime forming the walls and tunnels that make up the biofilm structure.

The colouring page was just as fun to make as the original illustration, and I hope you enjoy it too!

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