I made a function library to help with splines that twist uncontrollably. https://www.unrealengine.com/marketp…-twist-correct
The sample project is available on Github. GitHub - ryangadz/Workshop3_TwistCorrect: Function library that corrects the default twisting on splines in UE4. Sample Blueprint and Map included.
Live support on my discord server: https://discord.gg/WDZk9MT