Move Along Spline Cause Unexpected Rotation/Flip

[ClockworkOcean]

It’s a bug in the editor spline manipulation, I’m afraid :-/

See also this thread ( and the ones it points to )

A definitive solution for spline mesh twisting (gimbal lock)?

Hi, I’m attempting to create a spline mesh that does not exhibit the classic ‘twisting’ issue. I’ve tried a number of methods, but have yet to have success in 5.3. I’ve tried Chris Murphy’s: https://twitter.com/highlyspammable/status/1245994732615942147?lang=en I’ve tried this code: https://www.reddit.com/r/unrealengine/comments/kqo6ez/usplinecomponent_twists_in_on_itself/ And yet, a spline mesh that bends in Z still exhibits twisting (these solutions all seem to make it actually worse). As …