Procreate Brushes Installation Instructions and Help
Clip Studio Paint Brush Installation Instructions and Help
How to use Geometric Brushes -
Geometric brushes are not like other brushes - we strongly advise that you read the Brush Usage page to get the most out of them and use them correctly. Incorrect use can lead to a reduction in quality.
If you've ever wondered why they show a certain way, or how use the settings, please read the link above.