Setting Universal Jitter and working with Jitter brushes

…If you've ever downed a large amount of coffee or…soda in a short time, then you know what can happen.…The jitters.…This condition is often comically depicted as someone…OD'ed on caffeine attempting to write or draw.…The result is writing or drawing made up of highly erratic strokes.…Painter appropriated this term, later adopted by…Photoshop, to refer to the introduction of…randomness as a brush control.…On the surface, this sounds counterproductive.…

In fact, the introduction of a controlled amount of…jitter can add an expressive character to a brushstroke.…Painters knew universal jitter enables incorporating…this expressive additive to many brush controls.…Let's take a look at universal jitter.…So the first thing to understand is that jitter equals…randomness, which equals an analog or hand rock quality, so a certain…amount of jitter into a brush actually gives it a more natural appearance.…

In the real world, many tools are affected by the…surface they're on, the output of ink or paint from the…tool that's dispensing it, and all of those things introduce…