Interactive 3D Theatre Model

I need a fully-navigable 3D reconstruction of my theatre, built to scale from the detailed architectural plans I already have on hand. The end goal is interior-design planning, so the model must let me... (Budget: $30 - $250 USD, Jobs: 3D Animation, 3D Architecture, 3D CAD, 3D Design, 3D Layout, 3D Modelling, 3D Rendering, 3D Visualization, 3ds Max, Architectural Visualization)