strict maintain exact building geometry layout and element locations from the revit model and input image do not move or reposition any elements critical hard locks fireplace location is fixed do not move shift resize rotate or redesign it use the fireplace exactly where it exists in the model do not reinterpret placement for composition or symmetry do not center it even if it looks better do not attach it to a different wall treat fireplace as locked geometry fireplace instructions apply material only natural stone veneer warm gray taupe keep exact size exact proportions exact location do not change height add remove chimney massing modify opening shape general rules maintain all walls openings columns and rooflines exactly as modeled no architectural redesign no shifting of structural elements