What are LODs? Why do you need them? Let me give you a basic intoduction to how they function and I bet you like em more when we're done.
Blender: https://www.blender.org/
Arma Tools: https://store.steampowered.com/app/233800/Arma_3_Tools/
Blender to p3d: http://www.armaholic.com/page.php?id=20519
Gas Can for Scale: http://gattington.com/media/gascanforscale.blend
Example Config File: http://gattington.com/media/rev_gatts_vending/config.cpp