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What's there to elaborate on? I exported the model and animation to 3ds max 8 via smd and then exported it using granny_export 2.6.1.0. The game "reacts" to gr2 files of this version, but they don't work properly, resulting in something nonsensical that I didn't screenshot. I discovered an interesting fact: the map editor can extract a 3D model from any version of a gr2 file (I gave it 2.9.12.0 from Maya 2010 and 2.6.1.0 from 3ds max 8, but the map editor couldn't find the materials from the max version, resulting in an error until I manually added them).
And in general, twice: when I was working on version 2.01 and now, when I'm working on 2.1 eng, I didn't say that.