improve the realism material finishes and texture quality of this bathroom render dont change anything refine the materials as follows change marble surfaces to viola calacatta marble the marble should have a warm white creamy base with distinctive deep burgundy violet and plum veining make the marble veining more natural varied and high resolution with realistic slab movement and subtle translucency avoid flat printed looking marble the marble should feel like polished natural stone with depth slight reflectivity and softened edges improve the shower wall tiles so they have a glossier glazed ceramic finish the burgundy and neutral checkerboard wall tiles should have visible glaze variation soft reflections subtle unevenness and realistic grout joints make the wall tiles feel handmade zellige inspired rather than flat matte tiles keep the tile colours close to the existing palette but increase richness depth and surface sheen improve the plaster walls with a soft limewash polished plaster texture keeping the warm blush beige tone add subtle tonal variation to the walls and ceiling so they do not look flat improve the timber vanity so the oak grain is more realistic natural and warm with subtle variation in tone keep the brassware in a warm brushed brass finish with realistic highlights and reflections improve the glass shower screen with clearer edge definition subtle reflections and slight transparency refine the lighting so the wall lights cast a soft warm glow and materials respond realistically to the light increase overall render realism material depth bump mapping and texture resolution do not change the layout camera view sanitaryware positions mirror shape vanity design or overall design intent do not add people or clutter keep the bathroom soft warm feminine and high end make the wall paint slightly less pink the flooring is a light neutral honed beige grey tile textured and non reflective laid in a refined herringbone pattern use soft natural daylight coming through the window above the marble tile on the left