Dual PanelI notice you're asking about a "polygamy bed mod" for The Sims 4.
Just to clarify: The Sims 4 doesn't natively support polygamy or polyamorous relationships (outside of the "Player" trait or the "Free Love" NAP from Eco Lifestyle , which allow multiple romantic partners but not multiple simultaneous marriages). sims 4 polygamy bed mod
There is no widely known or officially endorsed mod that specifically adds a "polygamy bed" allowing a Sim to be married to multiple spouses at once. However, some mods like (with certain settings) or MCCC (MC Command Center) can be configured to allow multiple romantic partners and sometimes adjust relationship/marriage constraints. A dedicated "polygamy bed" object isn't a standard mod — you might have seen a custom bed that is themed for polyamory, or a mod that renames bed ownership/sleeping permissions. I notice you're asking about a "polygamy bed