Inkwash, a watercolor sketching app and explanation

I've made a drawing app based on my physical sketching practice, using fluid sim and some shader tricks to mimic watercolor-style ink washes. Best used on iPad or with a drawing tablet. The linked article shows how the core engine works, with plenty of little interactive demos. It was fun to make, sharing in hopes others find it fun too :)

Visit johnowhitaker.github.io ↗Alternativestop 1% of June 2026

In plain words

Inkwash is a drawing app designed for digital watercolor sketching on iPad and drawing tablets. It uses fluid simulation and shader techniques to replicate the behavior of physical watercolor ink washes. The app is built from the creator's experience with traditional sketching practices, and includes an accompanying article with interactive demonstrations explaining how the core engine works.

written from the facts on this page · September 2026

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