What platforms are those? I don't recognize them... I can see they're certainly alternating between two similar-but-different types to avoid having the engine try and turn them into diagonals...
I wonder if some creative use of the paint tool will make them the same shade... Will have to try it when I start my comm tower again. My current spiral stair is all Mossy Platform and so I just skip every alternate one.
I said this on the other thread, and I'll say it here" I love that stairwell! The idea for alternating between two types of platforms to keep them from connecting is an inspired idea!