Planning to make a “real” UFO video or are you just looking for some content to start a space game?
Here are my modular UFO-components for creating a lot of different looking UFOs.
The animation on Sketchfab shows some different ufo types by adding and removing some of the modular components.
Download:
Modeled and animated in Blender for the textures I have used 3d-coat (2016).
3DHaupt