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New Sketch and New Water Brush Pens

June 6, 2018

Lately, I’ve been working regularly with my water brush pen, so I decided to get a few more to add to the family. These are made by a company called Cocoboo. The set of six pens cost me $9, with 3 sizes of round and flat brushes. They each hold about 6.5 ml of liquid.

Below is a rough sample of the type of strokes these brushes make, using liquid sumi ink inside the handles. If you look closely at the rounds, when they are first filled or wiped dry, you can get decent dry brush effects, even though the brush stays filled with ink. Also, notice with the flat brushes (#2 medium, and #3 large) that the first strokes at the top look like multiple strokes from the brush, but are actually single strokes. This is caused by the way the brush hairs tend to separate when they’re wet, and clump together. As the drawing goes along, and the hairs get more saturated with liquid, they get more uniform, and make a solid stroke.

This closeup shows how the flat tips tend to clump together when wet. When you lightly drag the brush across the paper this way, you’ll get multiple lines from a single stroke. As you press down, the hairs will come together in a more uniform stroke. Working with these, you will get a feel for their behavior.

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