Get your own mesh root sled.
** Your own RootSled can be downloaded for free here.
When uploading this mesh sled, set all your LOD levels to 0.
Then in physics tab in your uploader select High Physics and click Analyze, then Calculate.
Should calculate to 7 ish LI.
It should upload to around 7 LI half of which will be absorbed in your build.
If you cannot set your RootSled to "Prim", you did something wrong.
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