PAS to Blender
From Platinum Arts Sandbox Free 3D Game Maker
Exporting a PAS map to Blender
1.) Press T and type /writeobj modelname
2.) Close Sandbox - if you use the standalone version, you can find the model as .obj in your Sandbox main directory
3.) Import the .obj in Blender
4.) Switch to textured view
5.) Merge the textures into the blend
6.) Save the blend
optionally: export the textures to the same folder