It was initially named Marionette before it was renamed Presto in 2012 with the release of Brave .
As a result , little is known outside Pixar about the detailed workings of this software .
Pixar was initially named Marionette before Pixar was renamed Presto in 2012 with the release of Brave .
As a result , little is known outside Pixar about the detailed workings of this software .