3d maze model

Generate a single, massive, open-top maze structure. The maze should consist only of walls and a floor (no ceiling). The design must be absolutely vast in scale. It is a classic labyrinth with complex, winding paths. Most crucially, there must be one, and only one, correct path that leads from a designated starting point to a single exit. Ensure the exit exists and is reachable. Focus purely on the architectural form: high walls, solid floor, and the intricate layout of the maze itself.