This is a derivative work from this source: http://sketchup.google.com/3dwarehouse/details?mid=57a92c8e70817ec98b240a9d3b69f8c&ct=mdrm&prevstart=0It is covered under Google\'s 3D Warehouse license: http://sketchup.google.com/intl/en/3dwh/tos.htmlSpecifically,Your RightsGoogle claims no ownership or control over any Content submitted, posted or displayed by you on or through the 3D Warehouse. You or a third party licensor, as appropriate, retain all patent, trademark and copyright to any Content you submit, post or display on or through the 3D Warehouse and you are responsible for protecting those rights, as appropriate. By submitting, posting or displaying Content through the 3D Warehouse, you grant Google and its end users a worldwide, royalty-free, non-exclusive, perpetual license to exercise the rights in the Content, as stated below:It looks similar to a CC-BY-NC-SA license.