Anyone have experience with Auro 3D?

I have a Marantz 8805 processor, under utilized. I have a 5.2.2 arrangement. 2 LFR1100As, 2 ELAC up firing ATMOS speakers, 2 QS8s and a pair of Mission 77ds surrounds.

I'm thinking 6 M2 OWs, but I think for the full Auro 3Ds, you may need more. Maybe I should look at a diagram.

Any thoughts?

Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.