Ask HN: Dec Alpha Wireframe Simulator

Around '96 I was working in a team porting a business application to DEC Alpha and one of the DEC team showed us a wireframe simulator that could be used to simulate any mode of transport from a racing car to different types of aircraft right up to the USS Enterprise, with keyboard control for movement and direction and some basic world features. Try as I might, I've been unable to find any references to that software on the internet and I'm hoping it's not some false memory in my head. Does anyone recall such an application running on mid 90's DEC hardware?