This mod fixes the gloss/shininess/transparency errors in the original KSP mu models.
https://forum.kerbalspaceprogram.com/topic/225969-112x-shinefix-wip
Get the latest .zip from releases. Unzip it, paste 000_ShineFix folder in your game's GameData folder.
https://ksp.sarbian.com/jenkins/job/ModuleManager/
https://github.com/LGhassen/Deferred
https://github.com/KSPModdingLibs/Shabby
https://github.com/KSPModdingLibs/HarmonyKSP
└──────GameData
├──────ModuleManager.dll
├──────000_Harmony
├──────000_ShineFix
├──────Shabby
└──────zzz_Deferred