Tes5Mod:Mod File Format/MATO
The UESPWiki – Your source for The Elder Scrolls since 1995
MATO are material objects, records are simple and consist of a name, a model (usually) and some structs presumably with dimensional information.
|-||MODL||model||zstring||path to .nif not present seems to = LOD|
|*||DNAM||Property Data||struct||Very large when present|
|+||DATA||unknown||struct||Usually 48 bytes, small number of 32/28