Hello,
This is the interdictor (also know as Immobilizer 418) cruiser, from Star Wars Universe This vessel appears in Thrawn's book, as well as in Empire At War, or more recently in Rebel,
Polycount is : 140644
You can use this model for your games, animation movie or 3D printing (take care of the little details like turrets and antennas)
The model is available in all common files format : (OBJ, FBX, SKP, DXF, 3DS, gLTF, DAE, DWT, DWG, MLT, STL)
Don't hesitate to contact me for any questions,
All the Best !