Rotating a welded model disables collisions?

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#1

https://streamable.com/vv3q09

For some odd reason, whenever I rotate my model from the original orientation of which the parts were welded, it messes up the collisions within the model. I can’t find any other explanation to this. I even checked the CanCollide properties of each part, yet this bug still persist.

EDIT:
So after doing a bunch of test, I’ve come to the conclusion this only happens when using a MeshPart. I did the same exact thing shown in my sample video, and everything seems to work.

#3

I’ve never had this issue before. My only idea is to use WeldConstraints instead of classic Welds and unweld, rotate, and reweld.

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#4

That’s what I was thinking. Currently I’m using motor6D welds, and I know those tend to have problems sometimes.

#5

Outside of using them on Humanoids I don’t have much experience with Motor6Ds, but I’ve heard they’re finnicky when trying to move or rotate.