material correction without geometry change preserve 100 volumes and perspective do not redesign fireplace base horizontal band under the glass opening must be lead grey plaster identical color and material to the dark wall clearly darker than the taupe upper suspended volume must not appear beige or taupe add realistic fire inside the fireplace natural orange yellow flames visible flame movement soft warm glow affecting only interior firebox and slightly the immediate floor area left vertical internal element inside fireplace opening must be black matte iron same material as fireplace frame dark non reflective clearly metallic not plaster maintain strict material separation between taupe plaster upper volume lead grey plaster wall base black matte iron frame internal vertical element no color blending no material merging
