https://gumroad.com/l/aquaria-watercolor-brushes
https://twitter.com/artbyjeeb/status/1292452804867440640?s=20
https://s3-us-west-2.amazonaws.com/secure.notion-static.com/cc19b542-ae12-4cb6-88b3-2ea7502e657f/Aqua_Ria_110_Brushes_v4.0.pdf
Artwork by Jeeb, watch the process video on Twitter.