very limited geometry edit only use the attached image as the authoritative reference the current fa ade is correct do not redesign regenerate or reinterpret the building make only one modification correct the underside geometry of the ground floor horizontal beam everything else must remain exactly as in the attached image ground floor horizontal beam only modification the current curved ground floor beam is incorrect the curvature has been created horizontally in plan across the fa ade remove this horizontal curvature the fa ade line glazing line and horizontal beam must remain completely straight in plan there must be no bowing forward or backward across each bay the required curvature occurs only in the vertical direction vertical section think of the geometry as a change in the vertical height of the underside of the beam not a change in its horizontal position correct vertical curvature use the same tectonic principle already visible in the horizontal beams of the upper levels but translated to the much larger scale of the ground floor the top edge of the ground floor beam remains perfectly straight perfectly horizontal constant unchanged the underside changes vertically at the middle portion above each recessed glazed bay the underside sits lower from this lower point the underside must rise very gradually and smoothly in the vertical direction toward each adjacent ground floor column the transition develops across the width of the bay lower underside above glazing broad gradual vertical rise smooth continuous transition higher underside where it meets the rotated column this creates a very subtle concave vertical profile the curve exists only when reading the fa ade in elevation vertical section it does not curve forward or backward in plan relationship with columns the curved underside must flow smoothly into the upper pointed geometry of the existing 45 degree rotated square columns the horizontal beam and column should read as one continuous tectonic connection do not change the columns themselves preserve exactly square cross section 45 degree rotation width depth height position spacing the curvature belongs only to the underside of the horizontal beam between the columns important do not create do not curve the beam horizontally in plan bow the fa ade forward or backward curve the glazing move the glazing create curved glass create an arch create an arcade create a semicircular opening create a scalloped fa ade create a deep u shaped curve modify the column geometry the glazing must remain a flat straight recessed fa ade plane the ground floor structural line must remain straight in plan only the vertical profile of the beam underside is curved curve intensity keep the curvature subtle it should be a broad and elegant vertical transition across the full width of each large ground floor bay it is the same design principle as the upper floor horizontal elements but adapted to the much larger structural span of the ground floor repeat exactly the same vertical curve for every equivalent ground floor bay preserve everything else do not modify camera crop perspective upper floors upper windows upper vertical elements upper horizontal elements balustrades floor heights fa ade rhythm ground floor columns ground floor glazing position window dimensions any other geometry white model only this remains a pure white architectural 3d geometry model every solid architectural element uniform matte white glazing simple neutral light grey transparent glass neutral white grey background soft neutral studio lighting absolutely no stone limestone travertine concrete texture brick timber metal finishes colours material joints realistic textures landscaping trees vegetation planters people furniture cars streetscape surrounding buildings interior decoration warm lighting photorealistic materials do not add materiality do not add landscape do not add environment final priority change only the ground floor beam underside curvature vertical direction only no horizontal plan curvature everything else must remain exactly as in the attached image