IPO drivers in Synfig Posted on July 14, 2008June 8, 2017 by Konstantin Dmitriev This video shows how the equivalent of blender’s IPO drivers technique could be natively implemented in Synfig Studio. Example file: ipo-drivers-synfig.sifz. Related Liked it? Take a second to support us on Patreon! Posted in Uncategorized and tagged screencasts, synfig.