Chunky is a Minecraft mapping and rendering tool. Check out the gallery
for examples of what Chunky can do!
Download version 1.4.5
New users are recommended to look at the Installation Instructions and
the Getting Started Guide.
Frequently Asked Questions
Q: Why is there noise/grain/random bright dots in the render?
This is not a bug, but an unfortunate effect of the rendering algorithm used
in Chunky. Torches and other small light sources cause a very random
illumination and it takes a long time to render such light nicely. For more
information please read the Path Tracing article. You can disable
emitters under the Lighting tab in the Render Controls dialog to remove most
of the random bright dots. Note that rendering for a longer time will
eventually remove the noise, though it may take a very long time.
Q: How long does it take to render an image?
There is no exact answer to this question. The main thing that affects render
time is your CPU, the size of the image, and the lighting conditions in the
scene you are rendering. It can take anywhere from an hour to a couple of
days to render a nice image. You can reduce the size of the canvas or disable
emitters to speed up the convergence rate. See the Path Tracing article for
Q: Is GPU rendering supported?
GPU support is not actively being worked on right now. GPU rendering may be
added in the future, and some partial progress has been made toward this goal
but there are very many hurdles before it is fully supported.
Question still not answered? Check the FAQ page.
License & Copyright
Chunky is free software and the source code is made available under the GNU
General Public License, version 3. The source code is managed on
Chunky is Copyright (c) 2010-2014, Jesper Öqvist. Additional contributors
are listed in the relevant source files and on the credits page.
Copyright notices for third-party libraries used in Chunky are listed in the