La Pavoni portafilter declumping ring
by cain666, published
this ring drops into your portafilter for the post millennium La Pavoni (or the Gaggia Factory) so you can declump your grinds without using a cup etc.
it also fits under a Rancilio Rocky spout (and my easy clean spout http://www.thingiverse.com/thing:101392 )
not only that it works as a portafilter hanger on the grinder