Start with a cube

Continue by selecting all, and subdiving by the amount of face you desired

Use the mirror modifer, with either x or y axis

Once, you've done that. Start by extrudeing the bottem face by selecting 2 or more faces as its legs

Once, you've done that. You can either finalize your product. OR have fun with it, such as making wings, hands you can go crazy with this, all you have to know is to have fun with this project.

After you completed your mech, you can either have a texture on it or not.

You can find videos to help you such as https://www.behance.net/gallery/23816871/Activity-8-Mech-Droid

Nodes for Baking. (Can be found in https://www.behance.net/MrPBuskell 's videos)

 

Finished Producted

Mech within the virutal studio