blemmyes animated short

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Hi there,
I'm searching an animated short
i see long ago, on 2005 - 2008 or so,
on Resfest or Art Futura or so,
my memory is foggy i think,

the short was about some headless-face on the body-people,
wikipedia call it blemmyes but the short maybe not,
the style was mixed, i might think, 2d-3d-procesed, not sure,

the ambient was soft, gray, quite subtly dark,
almost silent, slow tempo, minimal movements,
i think it came from some animation school or so,

thank you very much if can help me with this,
salutes.