A simple script that takes Blender's scene objects' location and rotation and saves it as func_static entity into idTech4 .map file (might also work for idTech 3). In order for this to work in a level editor and game (e.g. DarkRadiant and Doom 3), ASE/LWO model needs to be exported beforehand, with all aplicable textures and materials.
Object in Blender needs a custom property set, called "model" (string type) with value as a path to your ASE/LWO model:
Video showcase: