Thomas and Friends Super Tower Bridge Crane Shaft Caps

My Son loves the Thomas and Friends Super Tower Bridge playset. However it includes 2 cranes, Cranky and ..... well.. Cranky Jr. The crane towers are open at the top where pieces of "cargo" are supposed to be dropped down. But... my son loves to stick his thomas and other engines into the crane towers. While Running. Then I spend 45 minutes trying to get them out. Until he gets older (he is 2), I wanted to block off the crane tower holes. My wife says, "Just 3d print something." I was like, "Oh duh..." This is the result. Feature clips to snap securely in place.