If you are painting in Procreate and you notice that your brush strokes are changing size when you zoom in or out, you may have Dynamic Brush Scaling disabled.

Dynamic Brush Scaling OFF looks like this:

Dynamic Brush Scaling ON looks like this:

Toggle Dynamic Brush Scaling:

Head to Actions → Prefs and toggle on Dynamic Brush Scaling to ensure that your lines stay the same size as you zoom in and out of the canvas. Dynamic Brush Scaling off renders the brush based on screen area and disregards zoom level.

If you are unsure or need extra insight, feel free to contact our team via the Support Form .