The Empire Online Blog posts the above video, which features a pencil test of Where The Wild Things are by John Lasseter which incorporates 3D backgrounds and 2D characters. Thanks Will.
Last modified: January 30, 2008Where The Wild Things Are Pencil Test
The 3D was done by MAGI/Synthavision. Those guys also did parts of TRON and went on to form Blue Sky Studios. The Animator on the WTWTA test was none other than Chris Wedge, a long-time friend of John Lasseter.