I just released Really Big Render 2.
This script helps you render images so large that Blender or your system can’t normally handle them. Good if you have something to get to the printers and they’re being icky about it, and want something gargantuan.
You can find the script and explanations here:
New in version 2!
If you have a full python install, and the PIL library the script can now assemble the tiles it renders for you! Previously you had to do this by hand, which was a pain if you didn’t have photoshop. Of course there is still a limit for it, but on my system that was somewhere between 15000 x 15000px (which went fine) and 20000 x 20000px (which raised a neat python error).
If you don’t have the PIL library installed, the script runs pretty much as before, though it no longer uses the “animate” function for rendering so no more _0001.png and such which we don’t need anyway.
An example of a tiled render: