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I try to ask you..

I did tried randomize resulted: right-X/left-X/up-Y/down-Y

but it's not work up-Z/down-Z..

I want to use random up-Z/down-Z..... only

how do I will do? it's missing?

sorry for my poor English..

thank you

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    $\begingroup$ what are you trying to randomize ? Vertices? Objects ? Are you using Randomize Transform? $\endgroup$ – oenvoyage Jul 23 '15 at 14:39
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Note: I assume you want to randomize the vertex positions of a mesh object.

Displace modifier

One solution, that will work on any mesh is to use the 'Displace' modifier.

  1. Add a 'Displace' modifier to the mesh object you want to add noise to. Set 'Direction' to 'Z' and add a texture (use the big new button).

Displace modifier image

  1. Open the texture tab, and change the type of the texture to 'Noise' (if you want uniform noise, use clouds with small scale instead).

Texture settings image

  1. Play around with the 'Strength' property of the modifier, until you get the needed result (Circled in the first image).

Randomize tool

Alternatively, you can use the 'Randomize' Mesh editing tool if all your normals are on ±Z (e.g. a grid). To do this, make sure that you set the 'normal' option to 1.0 (boxed on the image below).

Randomize tool and options

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  • $\begingroup$ Phew! That was a bit long.... $\endgroup$ – Bojidar Marinov Jul 23 '15 at 14:53
  • $\begingroup$ thank you for your TIPS and TRICK! but i have lattice, lattice has not Idisplace... :-( that is good trick really!! i will use it in mesh but not lattice.. $\endgroup$ – Manuel songokuh Jul 25 '15 at 20:49
  • $\begingroup$ @Manuelsongokuh you should have said in the main question that you want to randomize the vertexes of a lattice.... If you edit it, I think it will no longer be "unclear". $\endgroup$ – Bojidar Marinov Jul 27 '15 at 8:40

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