From SketchUp / Revit model screenshots
The untextured working model you already have — rendered with real materials, light and context.

Your inputAI render
Your inputAI render
Your inputAI render
Your inputAI renderFrom hand & concept sketches
A loose perspective sketch becomes a presentable visual — geometry kept, materials added.

Your inputAI render
Your inputAI renderFrom low-quality draft renders
A flat draft render gets the lighting, materials and atmosphere it was missing.

Your inputAI render
Your inputAI render