2 : Some other Blender fellas you may have missed (not all are very active here... yet) :
https://mastodon.social/@Blender (brand new official account, no activity yet)
3 : some talented Krita artists you may know :
I follow many more people and groups/companies/legal entities, some you certainly know, you can see them in my profile and read their bio to see who they are.
@gregzaal in fact it's been a while since I searched for libre graphics folks here, so let me add a few to the list :
https://mastodon.art/@Krita (fairly new official Krita account but quite active)
Also try the hashtag hugin, it gives many results (as well as the classics b3d, krita, etc...)
Mastodon.ART — Follow friends and discover new ones. Publish anything you want & not just art of all types: links, pictures, text, video. All on a platform that is community-owned and ad-free. Moderators: @Curator @ChrisTalleras @EmergencyBattle @ScribbleAddict @Adamk678