are procedural creations in blender owned by the creators ? or are they also under the GPL license ?
What you create with Blender is your sole property. All your artwork – images or movie files – including the .blend files and other data files Blender can write, is free for you to use as you like.
That means that Blender can be used commercially by artists, by studios to make animation films or VFX, by game artists to work on commercial games, by scientists for research, and by students in educational institutions.
Blender’s GNU GPL license guarantees you this freedom. Nobody is ever permitted to take it away, in contrast to trial or “educational” versions of commercial software that will forbid your work in commercial situations.
It’s a bit confusing.
let say that i create a superb “procedural material” or a “modular castle” using solely blender procedural nodes/modifiers, no meshes, nor textures used inside the .blend, am i the owner of the content?