Drilling Machine is a project that Guannan Lu and Ching-Ya Yang collaborated.
Guannan was responsible for designing and modeling the drilling machine and also the environment.
Ching-Ya did the texture and render part by using Quixel Suite for texturing, Unreal Engine 4 for lighting and rendering.
Drilling Machine showreel on Vimeo:
Artists' personal website: http://chingyayang.com/GLxCY