UFO Slice

This was filmed some time in March 2019 with the uploader asking one question " Can someone tell me what this is? Indeed, what could this be and it seem to be very close to this plane...
Thanks to joey saenz for allowing me the use of his footage and to view the original
https://www.youtube.com/watch?v=P0l3NsmGw20
3D Plane Animation by Anden
https://www.youtube.com/watch?v=79nw6mI4evI
Music Credit: Digital Shift by CO.AG Music
https://www.youtube.com/channel/UCcavSftXHgxLBWwLDm_bNvA
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