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How can I model this plastic bottle with real polygons?

enter image description here

As you can see, here are two waveforms:

enter image description here


Update: Thank you very much for your answers! I was able to create this first wavy edge, but I am not able to create the second wavy edge with the answers below. When I add the shade smooth or subdivision surface, errors occur.

enter image description here

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  • $\begingroup$ Welcome to Blender SE! What have you tried so far to model this bottle, what causes you trouble? $\endgroup$
    – YPOC
    Commented Aug 16, 2023 at 8:29
  • $\begingroup$ Hi, Jasurbek.. Folks have been answering this question on the assumption that this is a transparent bottle, in which case the 'second wave' is actually the first wave, seen through the back.. there are only 2 peaks, and 2 troughs. That seems reasonable, given this reference. Could you give another view that illustrates the 'second wave' better? $\endgroup$
    – Robin Betts
    Commented Aug 17, 2023 at 7:51
  • $\begingroup$ Check out this tutorial, it may be helpful to you. youtube.com/… $\endgroup$
    – Zyzio
    Commented Aug 17, 2023 at 8:15
  • $\begingroup$ you mean like this? snipboard.io/2tCuEs.jpg $\endgroup$
    – Harry McKenzie
    Commented Aug 17, 2023 at 9:13

2 Answers 2

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You could begin by a 32 vertex cylinder, create some horizontal edge loops and scale them down to follow the profile:

enter image description here

Symmetrize your cylinder on X and Y with the Mirror modifier, draw the wave with the knife tool:

enter image description here

Draw some other edge loops in order to change the topology around the wave:

enter image description here

Extrude the bottom with AltE > Extrude Faces Along Normals:

enter image description here

Give it a Subdivision Surface modifier, shade smooth, bevel if you need sharp edges:

enter image description here

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  • $\begingroup$ Thank you very much for your answers but i was able to do this but i can't make the next wavy edge for example $\endgroup$ Commented Aug 17, 2023 at 3:02
  • $\begingroup$ Oh OK m bad I thought it was the same wave we could see by transparence, your first image was rather low quality $\endgroup$
    – moonboots
    Commented Aug 17, 2023 at 8:47
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You could start with a cylinder with ✲ CtrlR loopcuts, ⎇ AltX in x-ray mode use C brush select, $\color{#888}{█}\color{green}⬆\color{#888}{█}$ mouse wheel up to decrease brush size, mark just "one" vertex (opposite vertex will be selected too because of the x-ray mode), O enable the proportional editing* and GZ move those vertices up, again using the mouse wheel to control the influence so the falloff at the edge of influence is nice:

Then like in moonboots' answer, you can extrude the bottom part:

And finally still with Proportional Editing enabled, scale the top down, plus shade smooth, subdivide (✲ Ctrl2)…

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  • $\begingroup$ Thank you very much for your answers but i was able to do this but i can't make the next wavy edge for example $\endgroup$ Commented Aug 17, 2023 at 3:01

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