Tutorial geometry morphing

Hi,
I try to make the Tutorial Geometry Morphing GPU1:
http://vvvv.org/tiki-index.php?page=Tutorial+Geometry+Morphing+GPU1

but my patch doesn’t work, I don’t know if there is an error with the vertexbuffer node or with the vertexshader.
:-
Thx for your help

morph_vvvv.rar (2.4 kB)