I have no ideas on the subject for it is something (3d modeling) I never even
attempted to do.
>Is it really free?
It is very trivial to know if given software is free software or proprietary
malware (^^) -> you need to check the license.
If it is a free license then it is free software.
https://www.blender.org/about/license/
Here, a page you may be interested in bookmarking in case of future doubts ->
https://www.gnu.org/licenses/license-list.html#SoftwareLicenses
> As I am compromise with gnu/linux
I believe you wanted to say "As I am thrilled with gnu/linux" :)
Btw, your English is perfectly understandable.
