"Graphics Demo is a modified Commodore CBM 3032 computer. Its inner life was replaced by a mechanics. A wireframe model of a teapot, soldered out of silvered copper wire, is gimballed inside the monitor cabinet. The model is varnished with green uv-active paint and lighted by four blacklight tubes, which are installed invisible inside the cabinet. The teapot can be rotated in any direction by using the numeric keypad. During the rotation, you can hear the electric motors and feel their vibrations."
You must watch the video. The whirring noises are what really make it.
For reference: The Utah Teapot.