The photo shows Alder Cubes, pieces of Alder wood with dark resin in between. I think they're primarily design as seating for art galleries or lobbies of large buildings. The designer says:
I have always loved the spaces created between the trees in a forest. I was inspired by the positive and negative shapes and the play of light against dark.
His website has several interesting and beautiful designs. Don't miss the "Shattered" collection of Douglas Fir.
[As seen at ThisNext]