Oak slice, turned and sandblasted, oxydized to black/grey color. Taken approximately at an height of 9 meters from ground

Oak slice, turned and sandblasted, natural color. taken approximately at an height of 9 meters from ground

Oak slice, turned and sandblasted, natural color. taken approximately at an height of 0,5m from ground

Oak slice, turned and sandblasted, rust patina. taken approximately at an height of 0,5m from ground

Oak slice, turned and sandblasted, rust patina

Disk from a branch slice, turned and sandblasted, natural color