"If you goto the Brush Modulation control panel, you can set the min and max brush sizes the modulation is generated within. So set Max Size to 100% if you want them to touch."

"Thank you for your helpfull answers. Your answers so close what I need - Especially closepack2. I did some editing on it and get colser dot. Is it possible touches dots each other and minimum whites between them without overlapping?"

"Like Craig said, there are a lot of different ways you could build something like this. Here's one simple paint synthesizer approach. So i'm using smooth random path start generator, a path length of 1, vector sphere painting,…"

"I am sure there are quite a few factory presets available with SA that could start you on the way to making images like that. I am attaching a Paint Synthesizer preset that might be a good starting point for experimenting: cd_dottoss01.zip This…"