In DayZ (and the Arma engine), .p3d files are 3D model files. When developers release their mods, they often "binarize" these files. This process converts the human-readable text (MLOD format) into a machine-optimized, compressed binary format (ODOL).
The raw model format used in Object Builder.
Whether you're looking to recover lost source files or study how professional models are built, is a critical skill for DayZ
In DayZ, contain the 3D geometry of items, weapons, and vehicles. When a mod is packed for the game, these files are often "binarized" to optimize performance and reduce size. A debinarizer (or unbinarizer) reverses this process, converting ODOL (binarized) models back into MLOD (editable) models that can be opened in Object Builder or Blender. Fixed Tools and Reliable Options