archsynth prompt eclipse black sauna fundermax harvia cilindro create a photorealistic architectural render of the provided sauna model in eclipse black style geometry model integrity absolute do not violate preserve exact original geometry proportions dimensions and layout of the provided model no changes to shape volume thickness bench layout or levels glass positions or size structural elements no redesign no reinterpretation no optimization this is a material lighting equipment assignment only exterior eclipse black fundermax specification exterior cladding in deep matte black fundermax max compact panels panel appearance smooth premium architectural surface matte non reflective finish visible panel joints fugues consistent 5 mm shadow gaps between panels clean sharp straight lines joints must remain clearly visible panel layout must follow the existing segmentation of the model do not add remove or rearrange panels glass frames full height front glass panels glass color neutral to slightly grey tinted frames slim black aluminium flush mounted no additional mullions or profile changes interior materials interior walls and ceiling light thermo wood horizontal wooden slats uniform spacing natural warm wood tone no color shifts benches same light thermo wood exact geometry preserved sauna heater mandatory install a harvia cilindro sauna heater heater color matte black cylindrical shape with visible vertical stone basket position centered near the front glass area exactly where a heater would realistically be placed do not resize or stylize the heater no alternative heater models allowed lighting soft warm indirect led lighting inside the sauna subtle linear led glow integrated behind benches lighting must enhance depth without altering structure or materials scene background neutral studio background light grey soft gradient no environment no props no additional objects sauna must sit naturally on its base not floating rendering style photorealistic product visualization clean architectural look realistic shadows and reflections no cinematic effects no artistic reinterpretation camera three quarter front perspective eye level architectural camera correct scale and proportions