Surprise, you can watch this professional modeling for free.
We are gonna take you through the whole process of modeling a sci-fi robot, from basic level, up to hard-surface level, and rigging.
The tutorial separated into 6 parts which covers every little detail and technique.
In the commercial license version you can also download the rigged model.
(This tutorial needs a basic understanding of Blender.)
Video duration: 2 hours
Produced and edited in Meta studio.