light gray washed european oak chevron parquet floor texture pointed mitered 45 degree ends sharp v shaped herringbone pattern french chevron fishtail parquet pale grey weathered oak with subtle grain knots and natural variation authentic wood texture light matte oiled finish soft even diffused lighting photorealistic material scan high detail 8k seamless tileable repeating pattern no visible seams edges borders perfect edge to edge continuity flat orthographic top down view square aspect