Federation Command Cruiser. All credit to Jay Thurman (cyberia23) for the model - see link for more details:
https://3dwarehouse.sketchup.com/collection.html?id=d1eb273facd30bfcdd821470ed8efdff
Cm:2.554 x / 1.202 y / 4.718 z
Note: This model printed well for me in WSF with no problems that I could see. The detailing was surprisingly good.