photorealistic material and lighting enhancement of the supplied 3d screenshot preserve the geometry and composition exactly keep all four wooden slabs touching edge to edge in the exact compact arrangement shown preserve the original narrow seams and their positions do not move rotate or separate the pieces no gaps wider than the existing seams each piece is a flat constant thickness slab with straight vertical sides sharp rectangular outer corners and a flat bottom preserve all recess contours and depths exactly no rounded undersides tapered sides raised rims or added bevels apply natural light solid oak with a fully matte finely sanded finish give each slab a different subtle oak grain pattern and slight natural tonal variation grain stops at the seams and does not continue between pieces on the elongated pieces grain follows the longer side keep the recessed surfaces smooth with barely visible milling traces no decorative rings coarse grooves or glossy reflections all four recesses empty soft studio lighting subtle contact shadows and a neutral light grey background keep the original camera angle and framing change surface material and lighting only do not redesign or rearrange any object