I can't comment on what ds4 does, (or ds3 either), as I do not use the daz render page (and have no idea of the slow turtle symbol... lol!)

As far as I know, Luxrender simply renders an image which is so many pixels by so many pixels... I gues that if you wanted a final print at 96dpi, (dots per inch) you would need to render the appropriate size image, such that you print a 96 pixel by 96 pixel the size of one inch square? I'm not particularly familiar on how a print would be done from a generated image, but if you want to print at 96dpi to a size of 16x24", that could corrospond to 1536 pixels by 2304 pixels... but I am assuming 1 pixel would relate to one dot... I think this has been discussed somewhere before... If I find a link I will post it.

I also cannot say how much memory you would want for your items, as it depends on geometry, sub division settings, as well as textures etc. I suggest you try rendering the image at small size and then you can calculate how much memory it would take... sorry I can't be more specific! ...have you looked at memory usage in task manager for the Lux process when you hit 'render' from reality?

 

MyDeviantArtGallery