The periscope door is closed on the TC's Hatch,therefore not having a periscope in the rectangular opening is correct.It may be too late to shave off the ribs on the TC hatch,and the loader's hatch,which represent handles you could make out of small wire.
Is it too late for you to take little chips out of the roadwheels?Those things get torn up quick.
(++) (++) (++) (++) (++) (++) (++) (++) (++) Piggies.