What is Blender's funding model? I recall that its initial open source release was essentially crowdfunded before that was a trendy thing, but I haven't been ke

What is Blender's funding model? I recall that its initial open source release was essentially crowdfunded before that was a trendy thing, but I haven't been keeping up with how they've been funding continuing development. They seem to be doing pretty well at that, so I'm curious about where the majority of revenue is coming from.