A new version
of BlenderCompat
Portable has been released. BlenderCompat is a modified version of the
popular Blender open source software for 3D
modelling, animation, rendering, post-production, interactive creation and
playback with support for Windows 7 and 8 packaged as a portable
app, so you can do your rendering on the go. It's packaged in
PortableApps.com Format so it can easily integrate with the PortableApps.com
Platform. And it's open source and
completely free.
Update automatically or
install from the portable app
store in the
PortableApps.com Platform.
link