using the uploaded image as the exact source material generate a high resolution seamless tileable stone texture suitable for exterior architectural rendering in sketchup preserve the exact stone color scale grout thickness surface texture and tonal variation from the original image extend the pattern naturally in all directions so that no visible seams repetitions mirroring or directional artifacts are noticeable the final texture should feel organic and non uniform with subtle variation between stones while maintaining realistic masonry alignment output as a flat orthographic texture no perspective no lighting no shadows optimized for material mapping final size 4096 x 4096 px square aspect ratio seamless on all edges