seamless abstract painted brushed texture. spikey material pattern background. grunge rough colour wood chip textile

rough brushed speckled seamless texture specks mottled natural nature pattern splash paint ink drawn organic flecks variegated material surface abstract painterly art grungy textured crystalline streaked streaks color spikey spikes chip wood backdrop patterned printed allover brushstroke grunge rock stone wall mineral ice old wallpaper design background