use the uploaded image as a strict base reference this is a controlled material refinement only do not alter geometry proportions layout wall positions ceiling slope window size shower position toilet location or camera view do not reinterpret the design critical corrections 1 remove all linework outlines eliminate all visible black or dark outline edges from the original drawing fully convert all surfaces into realistic materials no sketch lines no edge tracing no diagram remnants 2 tub floor condition mandatory completely remove any platform plinth slab or raised base under the tub the tub must sit directly on the same continuous finished floor as the rest of the bathroom the floor must run uninterrupted under and around the tub no level changes 3 stone material primary fix replace all stone with a refined high end material light warm gray beige limestone or lightly honed travertine very subtle tonal variation soft directional movement not blotchy or cloudy minimal veining low contrast matte or honed finish no gloss avoid busy marble high contrast veins speckled or mottled textures flat beige tile appearance the stone should feel calm architectural and expensive 4 fluted wall high precision maintain exact spacing and alignment from original image slightly increase realism sharper edges subtle shadow depth between flutes avoid over smoothing or perfect uniformity keep handcrafted feel not machine perfect repetition 5 side walls next to tub reduce visual heaviness slightly thinner appearance cleaner edges maintain original height and position exactly 6 shower keep exact geometry keep niche location and size exact remove added shelves or styling objects clean minimal integrated niche only use same refined stone material 7 window shade maintain exact size and proportions add subtle realism soft fabric texture to shade clean frame detailing do not simplify or enlarge 8 lighting soft natural daylight slight directional light for depth gentle shadows to define materials avoid flat overexposed rendering 9 style control no added decor objects no accessories unless originally present no staging pure architectural rendering only final result the image should look like a photorealistic version of the original elevation with no platform under tub refined stone material no linework crisp but natural fluted wall minimal high end calm atmosphere
