close-up of a light brown wood grain pattern with a knot

background wood grain texture brown light pattern knot natural surface material wooden oak woodgrain graininess knotty rustic plank woodplank veneer lightwood woodtexture lightbrownwood woodenbackground woodensurface woodgrainbackground woodtexturebackground closeup naturalwood detailed hardwood lumber timber grainpattern naturaltexture close-up shot displaying prominent knot generative