Movie S3. D. grandis CFD simulation with a 5-μm-wide vane and 1.5 million computational cells. Shown is lateral view as observed perpendicular to the xz
plane of the flagellar beat. Note how the flux through the filter is highly time dependent. Fig. 3C of the main text presents the time-averaged data from
Movie S4. D. grandis CFD simulation with a 5-μm-wide vane (brown) and 1.1 million computational cells. Shown are passive tracer particle trajectories in
the xz plane of the flagellar beat. The vane extends toward and away from the observer. Note how particle velocities are highly time dependent in this plane.
Nielsen et al. www.pnas.org/cgi/content/short/1708873114 6 of 7