I designed and modelled weapons, environemnt and a large carrier ship for the project Squadron. The weapon models were then partially unwrapped by myself and passed over to Roger Assifuah, who unwrapped and textured the assets using substance painter and the Ship Parts, Materials and Shaders were designed by myself.
You see and find out more of the weapons on his page here https://www.artstation.com/artwork/ovdQ4
I also designed a created textures and smart materials for a variety of environment assets.

Substance Painter texture by Roger Assifuah
You see and find out more of the weapons on his page here https://www.artstation.com/artwork/ovdQ