I wasn't able to find any mods to replace the Nao Eweca design with a "Simple Eweca".
So I made one, enjoy~
https://drive.google.com/file/d/1KLUGFkwL5YRO8dg0bgVuR6KrY-g9QewS/view?usp=sharing
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data file goes on the root folder of MabiPro
MabiPro\data\material\fx\astronomy\astro_eweca2.dds
I'm not responsible for any damage that may happen :,3