Imperial Flagship Vissarr in the Legend of Galactic Heroes.
https://gineipaedia.com/wiki/Vissarr
# This Model no needs to assembly
# This Model not includes the antennas.
(But, you can make more detailed model easily by 0.2 ~ 0.3mm wire.)
# if you want to see bigger and more detailed ship, Please check the Tags. (LoGH_Imperial_Vissarr)