Hello !
I'm not sure I'm at the right place but I would like to share an asset with you.
It make a cubic projection, not revolutionary (As that exists in all others common 3D packages) but is missing in Houdini (correct me if I'm wrong). Additionally I add some options for automatic alignment inspired from the code of this author :
http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&p=88114&highlight=#88114
Quick Demo :
I hope you like it !
Cheers.
uvcubic.zip