This was one of my entries for Simplicity September: Primitive Modeling Challenge! #RGSimplicity2018
Everything was created in Blender and all the materials were procedurally generated. Only primitve objects like cubes, spheres or planes were used to build this scene and you weren't allowed to alter the geometry (besides scaling, translating and rotating) - as the challenge already says.
Simplicity September 2018: https://remingtongraphics.net/challenges/simplicity-september-2018/