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No matter what program you use, dynamic/smoke simulations always take up a huge amount of disk space. If you just want to render a single frame and archive your source files, storing all the cache data your simulation has produced might not be practical. Fortunately in Blender 2.5 there is a simple way to store just one single frame. Gottfried Hofmann has the details in today's quicktip!
Note: click the 'Monitor' icon to view tutorial in full-screen HD.