SK3D
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Skin Model Data
4 ID (0xDEADBEEF)
4 ""Index Type"" (1=12 byte records,2=16 byte records)
4 Count (number of records)
loop
4 Type ID
4 Group ID
4 Instance ID(sometimes this does not point to a valid instance id)
4 Unknown (This is normally not the unknown id of the file, usually 0x00000000)
end loop