Here is a nice collection of free 3d models you might find useful. Perhaps you would like to add a couple?

Design Connected

A lovely collection of models for decorating space and adding personaliity to your designs.

free-3D-models

The Free 3D Models

An extensive collecting of various 3D models. Rangind from retro TV’s to space ships and everything else in between.

free 3D models

Archive 3D

Great collection of useful objects. Nice models for attention-to-detail designs.

free 3D models

You to Art

Random furniture and decorated rooms. Great collection, but the search option is not the best we have seen.

free 3D models