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What would be the quickest way to align multiple edge loops that are scaled differently to one that is scaled correctly?

Let's say I want to shape all the edge loops of the first example like the top one, so that they form a cylinder.

enter image description here

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  • $\begingroup$ Consider changing accepted answer for the one provided by @Denis. It's simple and faster. $\endgroup$ – cgslav Aug 28 '16 at 19:49
  • $\begingroup$ @LukeD Thanks -__- And if you don't already have LoopTools installed, then my way IS faster. $\endgroup$ – Shady Puck Aug 28 '16 at 20:07
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    $\begingroup$ @ShadyPuck are you doing this for points or for qood quality help? As it is in a question, this is an example and in this case maybe it is faster to do it manually (or not, 4-5 clicks to activate LoopTools? One time thing.), but what if beside example he wants to streighten 20 or more loop cuts? $\endgroup$ – cgslav Aug 28 '16 at 20:48
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    $\begingroup$ @ShadyPuck I was making the same answer as yours (you were faster) because this was only way I knew. Then I saw LoopTools version and it is just a better way for this task so I propose changing accepted answer for future visitors or for people as myself. End of topic. $\endgroup$ – cgslav Aug 28 '16 at 21:01
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    $\begingroup$ Both answers helped me and I think they complement quite well. If I understood correctly, If you want to use loop tools to align all the edges and form a perfect cylinder, the top and the bottom loops have to have the same size. In the example I provided this was the case, but if it wasn't, before using loop tools you would have to scale them using the snap scale method. $\endgroup$ – Dew Aug 29 '16 at 15:53
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Tab into Edit Mode. Use Alt + RMB RMB to select the first edge loop that you want to adjust. Set the Snapping type to Closest Vertex:

enter image description here

Key S, then Shift + Z, then hold down Ctrl, then hover over one of the vertices in the top loop, then LMB LMB.

Repeat for each loop.

Procedure:

enter image description here

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  • $\begingroup$ To whomever down voted my answer, can they tell me why so that I can improve it? $\endgroup$ – Shady Puck Aug 28 '16 at 20:04
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That can be done very quickly with Loop Tools addon that can be found and enabled in the user preferences.

In edit mode select top and bottom loops and in tools panel look for Loop Tools section, select Curve and all the intermediary loops will be aligned automatically.

enter image description here

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Loop Tools Curve

enter image description here

enter image description here

In the images above. Left side original mesh. Middle Edit Mode with Loop Tools. Right side result. Loop tools are on the left side with settings. In this example we choose loops of different sizes to illustrate generality. Only two loops need be selected.

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