exterior shot rule 1 preserve everything except the columns do not modify anything in this image except the vertical support columns the roof structure pergola beams ceiling panels metal connectors handrail wooden deck red tables green chairs left stone wall and the entire background landscape must remain exactly as they are rule 2 target elements modify only the vertical columns the slender white light colored posts standing along the right side of the terrace supporting the roof there are approximately 8 10 of them visible receding into the background rule 3 exact replacement material replace each white column with a stack of granite blocks follow this construction logic precisely each column a vertical stack of individual granite blocks one block placed on top of the previous one repeated from floor to roof beam block dimensions height per block 20 cm the column is 3 meters tall approximately 15 blocks per column each block spans the full cross section of the column same width same depth it is not a tile not a veneer not cladding joint between blocks the only separation between two blocks is a thin dark horizontal line the natural shadow gap between two stone surfaces in contact this line is 1 2 mm thick maximum irregular slightly imperfect it is not filled with mortar not rendered not plastered think of it as two granite kerbstones laid flat on top of each other the line you see between them is exactly the joint wanted here stone texture raw granite same material as the existing wall on the right side of the image each block has a slightly different surface tone and grain from the adjacent blocks no visual continuity between stones surface is rough and natural not polished rule 4 what this is not not a stone clad column with tiles on the face not rubble masonry or random stonework not a column with thick mortar joints or rendered joints not the pergola do not apply any texture to the roof beams rule 5 reference the thin horizontal joint lines visible between the pergola beam segments in the current image are the correct joint thickness and character transpose that exact line quality onto the horizontal joints between granite blocks on the vertical columns only architecture
