using the uploaded white card model image as the base retain the existing building form proportions and overall sketch style presentation exactly as shown keep the entire ground bottom level as a solid architectural podium with opaque materials and minimal glazing transform all upper tower levels into a contemporary full glass fa ade with high end curtain wall glazing subtle mullions and reflective transparent glass maintain a conceptual architectural sketch render style rather than a fully photorealistic finish preserving the artistic linework soft shading and design study appearance of the original image preserve the existing sky background exactly as it appears in the original image without alteration keep lighting perspective shadows and overall composition consistent with the source image
