I want make stairs follow along curve but stay their rotation as it is. I tried lock rotation constrain and made the curve Twist method Z up but still same. 
thanks.
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$\begingroup$ Hello and welcome to Blender.SE! Unfortunately, it's not clear what the problem is. Could you please show your node tree, or share your blend file via blend-exchange.com? Thank you! $\endgroup$– quellenform ♦Mar 15 at 1:55
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1$\begingroup$ in that case, don't use array along curve for the object itself, use if for a single vertex, and parent your stair step to this vertex $\endgroup$– moonbootsMar 15 at 14:42
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$\begingroup$ Thank you for answers people. Instancing solved my problem. $\endgroup$– Tolunay AkyolMar 20 at 16:48
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1 Answer
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You can workaround this by using instances.
- Create the step of the stair, a curve, and a mesh object which contains only a single vert at its origin
- Make the Vert the parent of the Step
- Add an Array modifier to the vert. It's important to use constant offset, because the vert has no dimension so relative won't work.
- Add a curve modifier to the Vert (using the created curve).
- Add "Instancing" to the Vert. Now all the arrayed vert will replaced with the child object, the step (you can hide the original if you want).
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1$\begingroup$ thank you for the answer. Instancing worked like a charm for exactly what I am trying to achieve. I have almost 1000 hours in Blender and almost never used instancing before. $\endgroup$ Mar 20 at 16:46