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My original post has become too confusing. I'll start over.


How do I create a hollow cylinder? I am using Blender 3.0.



Response to Allen Simpson Answer: It works, but ........

Initial sequence => Add > Mesh > Cylinder > F9 > Cap Fill Type menu appears > Cap Fill Type: Nothing => results in a hollow cylinder.

--- Case 1: Wrench icon (right side) > Add Modified > Solidify > Thickness > Changes the cylinder wall thickness.

This works!

--- Case 2: Scene Properties (triangle icon) > Units: Imperial - Length: Inches ... N > Dimensions: 0.5, 0.5, 1 ... Wrench icon (right side) > Add Modified > Solidify > Thickness: starts at 0.393701 in => cylinder wall is very thin

Changing thickness makes the wall thicker, but is inaccurate for a 0.5 in diameter cylinder. Setting thickness to 20 inches fills about half of the (outside dimension 0.5 inch diameter) cylinder hole

enter image description here

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    $\begingroup$ Since your question is asking for clarifications on another Q&A, you can try and add a comment for further information on the answers instead of a new question. The users are both still active on this site so I'm sure you'll get your information rapidly. Cheers $\endgroup$
    – Gorgious
    Dec 7 '21 at 15:06
  • $\begingroup$ To create a circle press Shift A > Mesh > Circle, then press Tab to go in Edit mode, select all and press E to extrude inwards. Note that the shortcuts have changed for the Knife tool, to activate it's now K, but A to cut orthogonally $\endgroup$
    – moonboots
    Dec 7 '21 at 15:12
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    $\begingroup$ If you're struggling on how to create a circle mesh then start by watching beginner introductory tutorials on Youtube, those are quite basic questions. This answers blender.stackexchange.com/a/150547/1245 outlines the procedure quite well. There isn't any "tag" for new user questions nor could it be added. Tags are for questions in general, not users asking them $\endgroup$
    – Mr Zak
    Dec 7 '21 at 15:13
  • $\begingroup$ You can use arithmetic operation (e.g. subtraction) with another cylinder of a smaller size. $\endgroup$
    – DaveNuk
    Dec 7 '21 at 16:06
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    $\begingroup$ The F9 menu is specifically to adjust the last operation. If you just opened a file there is no previous operation to adjust. $\endgroup$ Dec 13 '21 at 15:54
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Start with your scenario b) and make a hollow cylinder.

enter image description here

Instead of a Solidify operation from Edit Mode, use a Solidify Modifier.

This will add a procedural effect that you can change on the fly.

enter image description here

enter image description here

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  • $\begingroup$ See updated comments in initial post. $\endgroup$
    – ttom
    Dec 14 '21 at 17:21
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Maybe not the right one for you, but..

  • Select top and bottom faces of a cylinder
  • I inset them
  • CtrlE Edge Menu > 'Bridge Edge Loops'

enter image description here

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    $\begingroup$ I'm starting over. I have a cylinder. I select Edit Mode. How do select the top and bottom face? $\endgroup$
    – ttom
    Dec 7 '21 at 16:05
  • $\begingroup$ @ttom I don't think it's the best tutorial out there but you should definitely follow the first few episodes of youtube.com/watch?v=TPrnSACiTJ4 it would save you and us a lot of headaches since you're asking for really trivial things $\endgroup$
    – Gorgious
    Dec 7 '21 at 17:28
  • $\begingroup$ Or... youtube.com/playlist?list=PLa1F2ddGya_-UvuAqHAksYnB0qL9yWDO6 to get you started. $\endgroup$ Dec 7 '21 at 17:33
  • $\begingroup$ I've updated my original post. $\endgroup$
    – ttom
    Dec 9 '21 at 13:09
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    $\begingroup$ Why don't you create a cilinder, remove the top and bottom, go to Modifiers, choose Solidify, adjust to your liking and be done? $\endgroup$
    – Jaco
    Dec 9 '21 at 14:47
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  1. Begin with a cylinder primitive with no fill with ⇧ Shift + A >mesh>cylinder (change the cap fill type to nothing with redo panel by pressing F9 and choosing nothing instead of Ngon)

  2. ↹ Tab into edit mode , press A to select the object if not already selected.

  3. Use the edit mode> solidify operator with ⌃ Ctrl + F followed by S or
    face>solidify faces and adjust thickness via F9

enter image description here

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  • $\begingroup$ I don't know how to create a hollow cylinder. I see the "Add cylinder" menu appear on your video clip, but do not know how to make that appear.n $\endgroup$
    – ttom
    Dec 9 '21 at 13:20
  • $\begingroup$ @ttom see my edit, maybe that's a bit more clear. $\endgroup$
    – Timaroberts
    Dec 9 '21 at 16:00
  • $\begingroup$ I have clarified my original post. $\endgroup$
    – ttom
    Dec 10 '21 at 14:07

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