BB-8 was a physical prop developed by Disney Research,3 created by special effects artist Neal Scanlan.
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"Disney is closing its research lab in Cambridge". Boston Globe. February 11, 2016. https://www.boston.com/news/innovation/2016/02/11/disney-is-closing-its-research-lab-in-cambridge ↩
Hackett, Robert (May 26, 2015). "Disney just developed the most adorable walking robot". Fortune. Retrieved July 23, 2015. http://fortune.com/2015/05/26/disney-walking-robot/ ↩