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I really like to create brushes, just to see what can be done with them. Once a brush is finished I can make it into a custom panel and export it. But then my source file is lost, unless I save it separately. So I made it a habit of saving brush TVP projects, with all guide lines and whatever I used. Still the actual brush settings are not included. So, TIP: make a screenshot from the brush settings panel and import it into that brush project.

ha yes good one....i do that too, and i also embed the custompanel in the project...

btw reminder that is a bug... if you embed the custompanel in a project be sure to copy it, because if you close the project the panel is also gone.