This is just some RND messing around in Substance Designer, trying to get the hang of some of the tools that allow you to shape, warp, and adjust polygons, as well as some gradient and color practice.
RND Dice Tile
Ceiling Tile
Red Grained Wood
Wood Panels + DryWall
RND Breakup
RND Shape 1
RND Shape 2
RND Shape 3
RND Tile Gen 1
RND Tile Gen 2