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This morning I have tried to create a shell of a sphere (see the figure).

However, I would to have the entire shell where I can see to complete revolution on the other side of the sphere. What should I do?

enter image description here

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  • What is not clear it's what do you want to do – Danielillo Jun 17 '18 at 22:20
  • @Danielillo I would like the complete circumference for each arc I drew by showing it also on the other side of the sphere (the arc on the other side must be dashed). I have upvoted you for your disponibility. – Sebastiano Jun 17 '18 at 22:24
  • Is there a similar image on internet about how it should look at the end? – Danielillo Jun 17 '18 at 22:32
  • Similar a complete tape (shell) encrypted-tbn0.gstatic.com/… or dribbble.com/shots/1675477-Sphere-Rings. Now is it more clear? – Sebastiano Jun 17 '18 at 22:38
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Starting with three shapes

  • Semicircle
  • Big circle
  • Small circle

Three fig

  • Select the Big circle and the Small circle
  • Menu Object > Blend > Make
  • Menu Object > Blend > Blend Options > Specified Steps = 6

Blend

  • Select the blend and drag it to the Symbol Panel to transform it into a symbol

symbol

  • Select the Semicircle > Menu Effect > 3D > Revolve

revolve

  • From the revolve window options, click on Map Art
  • Choose the symbol, make it bigger and relocate it

Map Art

enter image description here

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  • Sorry, I already delete it. Tell me which part are you unable to make it on your own, I think the explanation is a very clear step by step... – Danielillo Jun 18 '18 at 10:18
  • If you put Adobe-Illustrator as a tag, we assume as clear that at list you are able to make a Semicircle, Big circle and Small circle. If that's not the case, I invite to add a question asking how to make a Semicircle, Big circle and Small circle in Adobe Illustrator. – Danielillo Jun 18 '18 at 11:31
  • @Sebastiano On the other side, I have been very correct from the beginning with you and your question and I agreed to answer you immediately creating a more than complete step by step about how to solve your problem. Since this is not the answer you expected, fortunately the question is still open, so I also invite you to wait for an answer that better fits what you need. I Hope this comes as soon as possible. – Danielillo Jun 18 '18 at 11:31
  • It is not possible to see who votes what, post another question with your issue. At the question you can add a link to the original question. And remember this is a site to solve Graphic Design questions, not a personal tutorial service or job request for free. – Danielillo Jun 18 '18 at 11:41
  • I have thanked you. I have never thought at all that this site or others are made for a personal tutorial service or job request for free. It's only 7 hours that I'm trying but I can't do it like you. That is why I asked you. – Sebastiano Jun 18 '18 at 11:46
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If you want perfectly round stripes, revolve a splitted half circle, a group which consists differently colored pieces. An example:

enter image description here

Here all stripes are equally wide. As well you can at first make a circle and split it arbitarily

  1. Draw a vertical line (=hold shift as you draw)

  2. Make a rotated copy (Object > Transform > Rotate > 15 degrees, Copy)

  3. Draw a circle which has center at the crossing (Hold Alt+Shft as you draw, be sure that you have smart guides and snap to points ON, no other snaps!)

  4. With the Scissors tool split the circle at the crossings, delete everything else than the 15 degrees arcs

  5. Make rotated copies until you have a full circle (Object > Transform > Rotate > 15 degrees, Copy, repeat by pressing Ctrl+D)

NOTE: 15 degrees was selected because it's integral part of 180 degrees.

  1. Delete the left half of the circle, color the remaining arcs and group them

  2. Revolve the group to make a sphere

If you want different division to stripes, you can in step 2 make more marking lines with different rotation angles. After inserting the circle you split it at the crossings.

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  • Thank you for your contribute and for the file. I have tried for 4 hours and I have obtained this file Ai that I sent you in this link:ufile.io/2htwq. The problem is only the step 4) (With the Scissors tool split the circle at the crossings, delete everything else than the 15 degrees arcs.) Where I can find the Scissors tool into the italian menu? My works not is very eccellent as your picture. Thanks a lot for the file. Thanks of my heart and I have spent 4 hours for the picture :-) I have not understood my downvote. good work. – Sebastiano Jun 19 '18 at 20:00
  • @Sebastiano In the toolbox scissors are hided under the eraser. About downvote: Someone thinks that you are lazy or he simply was frustrated because he wants to see some finer discussion of artistical reasoning. Technical receipes are not his favorites. We can only guess, because every member can vote as he likes without explanations. BTW thinking one random vote is a waste of time. Draw something instead. Your linked attempt shows that you are not lazy. – user287001 Jun 19 '18 at 20:38
  • Kind user287001. I'm sorry I'm only answering now but I'm very busy these days. I'm not at all lazy :-) and I can guarantee it to you. Often I go not to race but much more than just to race. In my initial question I drew something and inserted the image. I also learned with you where the splitter is (by pressing ALT). I thank you very much and, as you can see, I also voted for your answer instantly. Thank you very much. – Sebastiano Jun 27 '18 at 20:14

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