4 TEMPLATES ARE GIVEN IN THE "M9A1 HALF-TRACK TEMPLATES" FOLDER IF YOU WANT TO MODIFY THE PAINT SCHEME AND THE MILITARY MARKINGS.
IMPORTANT : WHEN MODIFYING A SHADER OR A MATERIAL, IF YOU WANT TO AVOID "STRANGE" SHADOWS YOU MUST GIVE THE PAINT MATERIALS OR SHADERS A 30° SMOOTHING ANGLE INSTEAD OF THE DEFAULT 89.90° ANGLE!