There are some great fan-designed 3D models, many very faithful to the original blueprints, that a snapshot could work quite well for a tabletop battle-grid.
The U.S.S. Eagle (NCC-956) is a Constitution-class starship, Bonhomme Richard subclass. It is only briefly mentioned in official canon in Star Trek VI: The Undiscovered Country, as being on
Welcome to Starship Sunday, presenting a new spaceframe for the Star Trek Adventures roleplaying game, filling in some gaps until official material can be released.