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All scale are set to default which is 1, What I'm trying to do here is to make an escalator but I need a concept first so I'm trying to do it with a cube but it is not stationary I want it to be no deformation but just to follow the curve. No Deformation, No Rotation, only the location if that is possible?

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    $\begingroup$ Is a vertical variation on this what you're looking for? If not, an illustration would really help clarify your question.. $\endgroup$
    – Robin Betts
    Commented Apr 21, 2023 at 4:39
  • $\begingroup$ Might also be interested in blender.stackexchange.com/questions/165628/… $\endgroup$
    – Gorgious
    Commented Apr 21, 2023 at 9:29

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If you assign a Curve modifier to an object, the object will deform. What you can do is create a single vertex, give it an Array modifier (with the Constant Offset option) and a Curve modifier with the curve as Curve Object:

enter image description here

Also in the Object panel > Instancing, enable Vertices:

enter image description here

Parent your stair step to the vertex object, the step will duplicate:

enter image description here

This works if the step stays straight, if the step is supposed to rotate on Z you'll need to use another method.

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