Blended Box Mapping, VRaytriplanartex
Vlado from Chaosgroup has made available a plugin (partly taken from the VRay Stochastic Flakes plugin) which will blend the edges of Box mapping which will map rounded objects seamlessly and without stretching. Something that Neil Blevins has been asking for what seem like an eternity.
Plugin here, read the instructions on how on how to install;
http://www.spot3d.com/vray/misc/vraytriplanartex.zip
Conversation here;
http://forums.chaosgroup.com/showthread.php?84615-Stochastic-flakes-plugin-take-2&p=666411#post666411
Neil Blevins page about Blended Box Mapping here;
http://www.neilblevins.com/cg_education/blended_box_mapping/blended_box_mapping.htm












