A (relatively) quick and dirty guide to VRC Avatar Optimization
github.com/Limitex/avatar-compressor
github.com/anatawa12/AvatarOptimizer
assetstore.unity.com/packages/tools/modeling/mantis-lod-editor-professional-edition-37086
01:32 Limitex Avatar Compressor
03:52 Merge Skinned Mesh
05:40 Remove Mesh By Blendshape
06:40 Mantis LOD
10:32 Blender
12:50 Results (Pre Upload)
14:54 Final Results