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I need to create a curve based on this reference (only a 3D tube/line), but it seems hard to make it exact. Is there a way I can make it exactly look like the one in the image?

Enter image description here

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    $\begingroup$ I would start with add>curves>extra objects>spirals (if you don't know how to enable extras, see this post $\endgroup$
    – Scalia
    Jan 12 '15 at 15:08
  • $\begingroup$ Thank you, but it looks like a circle, can i put the spiral like a single line, like the picture that i posted? its the first time i use this option so i don't know :( $\endgroup$
    – beavoru
    Jan 12 '15 at 15:35
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    $\begingroup$ Increase the height parameters in the tool bar. $\endgroup$
    – Scalia
    Jan 12 '15 at 18:20
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Add a Path (Add-->Curve-->Path). Enter Edit Mode, select the curve with A and subdivide it as many times as you like (W). Now select every third point of the curve. enter image description here

Grab the points up. enter image description here

You may notice, that the curve is not even in some places, so correct it. enter image description here

Snap the cursor to the end of the curve, enable Proportional Editing and set the Falloff Type to Sphere. enter image description here

Scale it horizontaly, setting the proportional size to a proper value (use a mouse scroll). enter image description here

Here is the final result. enter image description here

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  • $\begingroup$ Darn it, beat me to it XD $\endgroup$
    – VRM
    Jan 12 '15 at 15:29
  • $\begingroup$ Wait, i could do this, because seems perfect to me, but i already had a curve, and it looks like this:fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-xfp1/v/t1.0-9/… As i see now the only problem that i got is the distance between the vertices, can i apply your method to my already made curve? $\endgroup$
    – beavoru
    Jan 12 '15 at 15:42
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    $\begingroup$ You should be able to. $\endgroup$
    – VRM
    Jan 12 '15 at 15:46
  • $\begingroup$ I'm already doing this method, and it's working fine :) $\endgroup$
    – beavoru
    Jan 12 '15 at 16:05
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    $\begingroup$ Great to hear that mate :). $\endgroup$
    – Paul Gonet
    Jan 12 '15 at 16:16

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