what your wanting sounds very similar to my tree. your base width might be a little wide for a 10' tree. my tree is 12.5 tall from where the lights start. 14.5' over all, 8' wide and it is on a 180 design. my tree is 32 strings, 50 nodes each string, spaced just under 5inches between strings, running two zues 16. if you maintain your node count of 42 per string, you will be able to use one zues, and stay in one universe( wish i would have done the math a little more and used your node count idea). you would set it up in nutcracker as:
1. 180 tree
2. number of strings = 16
3. rgb nodes per string = 84
4. number of strands per string= 2
string one starts in left or right corner, folded in half to get 42/42 and goes up down. node one being at the bottom, and the top of string two which will descend starts with 43.
string 2 same thing. starts with node 85 at bottom and 127 starting down.
you should be happy with your node count and height ideas. i would probably bring my base ring in from 9' so that you get a tighter pattern on your strings. check into the jump pole design here at this link. a lot of people are using it and i am going to switch mine next year to something like this. You are not allowed to view links.
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Login as long as your budget don't get in the way, sounds like you are on your way. plan on about a grand for your idea between lights, zues, power supply, battery box, pole, wire, etc...
the video on my facebook page is not good at all, (better videos coming soon) but it can give you an idea of what a 32 string, 50 node per string, 12.5' tall 8' wide tree looks like. facebook link below. have fun!