Regarding the ease to put several AMS around the Bambu printers, also, maybe that part can help (i’ve just discovered it) - it allows to rotate the AMS HUB by 90°, with AMS PTFE tubes being now at the bottom and not anymore on the right :
(disclaimer : this model is not free - but still cheap / worth to be bought if you need that organization IMHO, and i’m not at all the author or affiliated in any way with the author)