use the attached render as the only reference the geometry composition and design of this render are fully approved do not modify reinterpret or regenerate any architectural element maintain exactly camera position perspective field of view room proportions wall positions window opening dimensions window location sill height head height wall thickness furniture lighting materials colours reflections flooring ceiling all decorative elements exterior view overall composition the attached render is geometrically correct only modify the window configuration replace the existing window configuration the current window is composed of two operable leaves with one horizontal fixed transom replace it with a new configuration composed of three full height vertical panels extending continuously from the sill to the head of the opening the new window shall have three vertical panels only no horizontal transom no horizontal mullions continuous glazing from bottom to top the centre panel shall be fixed the two side panels shall be operable casement windows the side panels shall be noticeably narrower than the central fixed panel the overall window width and height shall remain exactly the same do not modify the window opening the sill height the head height the fa ade the interior walls the exterior appearance the camera position only replace the aluminium frame and glazing arrangement inside the existing opening use the same white aluminium profile already developed for the rest of the apartment maintain the same frame thickness and design language important this is not a redesign it is only a replacement of the internal window frame layout while preserving the existing architectural opening the final render should be identical to the reference image with the only visible difference being the new three panel window configuration narrow operable panel wide fixed centre panel narrow operable panel no other changes are permitted think of this as replacing the window system inside an already built opening not redesigning the architecture