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enter image description here

Hi, in the image below you can see point "3" is the bottle that I created using blender 2.69. "1" is the side view of the original bottle "2" is the front view of the bottle. Now I want this design of the curve on my blender bottle, but I have no guess how to achieve it. I mean how to create those design on the bottle. The curves on bottle are like small gutter which are towards inside of the bottle.

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  • $\begingroup$ Are the knife tool (K shortcut) and bevel (Ctrl B shortcut) available in edit mode in 2.69? $\endgroup$ – lemon Mar 15 '17 at 6:16
  • $\begingroup$ Yes these options are available, but how can these create curves? $\endgroup$ – Prashant Tomar Mar 15 '17 at 6:18
  • $\begingroup$ Related also: blender.stackexchange.com/questions/75187/… $\endgroup$ – lemon Mar 15 '17 at 10:15
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Some technics to do that (I won't make here the exact same bottle...):

Knife cut

The cut is straight, but the result is parabolic due to the bottle shape.

enter image description here

Knife project

Again a curved shape obtained from a flat curve.

  • Create a cutting shape (here a plane)
  • Scale/orientate it
  • Shift select the bottle and enter edit mode in the bottle (both are selected and that indicates to Blender which shape(s) will cut the bottle)
  • Use 'knife project'
  • In your situation, make sure that 'cut through' is checked

enter image description here

Beveling

  • In edge selection mode
  • Select the wanted edge loops
  • Use CtrlB
  • Choose bevel depth with Numpad + and Numpad -

Once done, give a shape, for instance selecting the two face loops as below and scale them:

enter image description here

Draw it flat and bend the shape

  • Use a mirror to make so the future cutting lines will match
  • Add a simple deform modifier to bend the shape to 360°
  • Make the cuts/bevels as previously
  • Apply the modifiers and remove doubles when the shape is as you want
  • Add a subsurface modifier
  • Scale and merge (or extrude and model) the shape to fit your bottle

enter image description here

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  • $\begingroup$ I will try the solution provided by you and then will reach to you master ;-) $\endgroup$ – Prashant Tomar Mar 15 '17 at 9:01
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Supplementing the options provided by lemon, here is a different approach. Before any other steps, instead of having the vertical edges parallel to the z axis, twist the bottle so that the edges now vertical become helical around the z axis. Adding the groves around the bottle might then be able to be achieved by standard methods of adding geometry.

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  • $\begingroup$ I agree. This is to add to the toolbox! $\endgroup$ – lemon Mar 15 '17 at 9:07

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