Just saw the same email and watched the same video. not bad for 3D printed signals. Not the nicest ones out there, but they are priced to move, and probably look great at 6 foot. The thing that gets me though is the times yellow. I want the ability to tie the signals together so that if a signal is red, then the one behind it is yellow, and stays yellow until the train has moved on to the next block. Some signals you can do that as they have leads for all the lights, but these ones look like they only have power and one sense.
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