There's always the "particle display" (i think - not in front of soft right now) property on the point cloud - set it to display as a box, it'll render as you've set it in the particle shape.
cheers, chrisg On 5 February 2014 21:56, Simon Reeves <[email protected]> wrote: > Cheers Cris, but we're not using arnold (yet?) so I was wondering if there > was a renderer independent way to do it really (though I am talking about > rendering so why should it be eh ;) ).

