6.5mm Turntable.

I found this turntable manufacturer that makes a turntable for Nm that might be of interest to the Z spur modeller.New to me anyhow.

Nm turntable

railmodels.eu/en/catalog/catalog/rhatische-bahn/

Stepper turntable drive

www.railmodels.eu/en/catalog/catalog/turntable-stepper-drives/

Stepper motor

www.railmodels.eu/en/catalog/catalog/stepper-motors/

You folks here being so creative;there seems enough stuff to build a 1:220 scale turntable from scratch with this guys products.

www.railmodels.eu/en/about-us/

www.republiclocomotiveworks.com/show_item.php?ID=1129

republic locomotive works has one essentially designed for Nn3 but that is 6.5mm track which is same a z scale.