use source image as strict structural reference preserve exact geometry dimensions proportions placement and camera angle do not modify the furniture design transform the modeled object into an ultra photorealistic luxury custom made wall cabinet furniture description a suspended open niche cabinet with clean sharp edges and minimal contemporary design external structure in matte sand lacquer finish internal back panel and interior surfaces in premium canaletto walnut veneer with deep natural wood grain perfect 90 degree edges and precise joinery materials ultra realistic matte lacquer with subtle microtexture natural canaletto walnut with visible grain variation and warm brown tones soft realistic shadow inside the niche cavity lighting soft diffused daylight luxury showroom lighting balanced exposure realistic ambient occlusion rendering quality hyper realistic product visualization premium italian furniture catalog style physically accurate materials ultra detailed textures v ray corona renderer quality 8k avoid no geometry deformation no rounded edges no redesign no extra shelves no glossy fake surfaces no cgi look no distorted proportions