ASAP 3D Grotto Layout Render

I have a full set of build plans, complete with measurements, as well as an AI-generated concept image for the Christmas grotto I am constructing. What I now need is a fast, clean 3D as-built render that I can show the client before we lock in fabrication... (Budget: £250 - £750 GBP, Jobs: 3D Animation, 3D Architecture, 3D Design, 3D Graphic Design, 3D Layout, 3D Modelling, 3D Rendering, 3D Visualization, 3ds Max, AutoCAD)