How to make a game ready crate with blender gimp or photoshop

How to make a game ready crate with blender and gimp or photoshop

https://www.youtube.com/watch?v=WG9S2jYxyF8

Nice tutorial. Even though i dont use Blender am pretty sure a lot of people will find this useful.

One thing i expected to see was the crate inside Unreal Editor.