From the Plumiferos production diary:
"So you want to make a 3D movie at home ? But you want to use the SAME tools we
use here at the studio ? And for FREE ? Don't search any further, ladies and
gentlemen, you can download NOW the amazing PlumiBlender, the Blender version
we use at the studio every day of the week (including weekends sometimes)."
Find Windows (32-bit) and Ubuntu (dapper) 32bit builds at graphicall.