Custom Historical Lego Building

I want to bring a historically styled Lego building to life at standard minifigure scale. The vision is clear in my head—I see weather-worn stonework, period-correct windows and doors, and interior details... (Budget: $30 - $250 USD, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Rendering, AutoCAD, Blender, CAD / SolidWorks, CAD/CAM)