This is something I did in Fusion 360 a few years ago during the 2020 shutdown. I originally printed this on my Airwolf Axiom machine and was never really happy with the print quality, but have been using it ever since and the functionality has been perfect so I just reprinted it in eSun PLA+ on an X1c.
This will hold 12 K Cup Coffee Pods (6 on each side). If you don't mind the top one sticking up you can get 14 total.
This was printed vertically, oriented with the top up using tree supports from the bed only to support the bottom. I also use a petg interface layer and supports just fell away. I did not use support for the top arch.
2 command velcro strips (large 16lbs size) fit into a recess on the back for a flush surface mount.
Affiliate link to command strips on Amazon