Okay so this is what I did.
I started to assemble the top and base (from the few pictures).
Then careful! Align the flat sides with the braces before you add any permanent glue.
bottom to top:
1) SpaceNeedle-Mast_003 (black 2nd shortest)
2) SpaceNeedle-Deck1
3) SpaceNeedle-Mast_004 (black, middle length of the five masts)
again align the next part! I added one of the braces to get the right length/feeling
4) SpaceNeedle-Circle_011
then I used the short first and the two long parts. don't think it makes a difference
I even forced myself to align the mast patterns (must be some level of OCD)
Now I have to find a way to glue this thing together.
could use instructions but works as a puzzle currently.
Changes I would make:
The very top should be it's own part (black/white or just the white spire).
I see it breaking off or printed with some imperfections it's easier to replace/repair it that way.
One of the cubes did not fit (height probably) under the black walkway. It works with three cubes too.
Will add photos of the finished tower when I find my model glue.