Northrop YA-9 was in the A-X program along with the A-10 Thunderbolt 2.
The YA-9 performed quite well and had fighter-like handling, and was faster between the two planes, but the Warthog was chosen as the Air Force felt it had better survivability.
Like the A-10, it also would have had the GAU-8 Avenger gun.
model in full dimensions in blender 2.79b and scaled to 1/100 for the .stl file
scale down to 35% in the slicer.
as usual, the dice are 15mm for reference
if I can't print it, I don't post it.