Two Nubian Centaurettes were part of the Bacchus sequence of the Pastoral Symphony segment of Fantasia. They were edited out of later re-releases of the film. This is the maquette.
As seen in an issue of Click magazine. (Image courtesy Dennis Books.)
The Nubian maquette can be seen in the left side of this photo, near the edge of Walt's desk,beside the sculpture of Hyacinth Hippo.
She was also featured in a mid-1940s issue of Look Magazine. Read more about this magazine image at this link, and this link.
A screen grab from the live-action sequence of The Reluctant Dragon. In this scene comedian Robert Benchley is a mock-up of the Model Department.