Prismastic Constraint de-railing whenever its moving [SOLVED]

Hello! I’m working on a little demo of my elevator that uses prismatic constraint to move, but I’ve come across a issue that I don’t understand why is happening.

So whenever the elevator moves to other floors, little by little it begins to de-rail from its intended spot.

Here’s a video to show, you can see how on the corners of the elevator, its not perfectly in the spot of where the other transparent part is as it was before it began moving.

Unsure why this is happening, I tried seeing maybe if there was a part obstructing it but there wasn’t, I tried playing around with the speed and stuff in the constraint but it didn’t seem to do anything.

This is actually my first time using Prismastic Constraint so maybe I’m missing something here? Not sure. Any help is appreciated! :slight_smile:

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Ended up solving the solution myself, it seems to just be something with the physics that makes the part moves by itself. I solved this by putting parts around the moving part so that way it wouldn’t be able to de-rail or anything. I did notice that setting MotorMaxForce to 0 did make it less worse, but did it stop it. So I just recommend putting some small invisible parts around the moving part to avoid it from de-railing as those invisible parts will keep it in place.

Circled part is the moving part, and the green lines are the parts that go around it to help it stop from de-railing.

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