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I am trying to model the object you can see in the reference photos.

Back view:

Back

Side view

Side

Front View Front

Top View: Top

Bottom view: bottom

Angled View:

enter image description here

I am having great difficulties smoothly connecting this cylinder shape with the torrus shape. As you can see it has "half pipes" going from the sides to the ring. But it also curves from the backside of the cylinder (which juts out/stands out farther than the end of the torus) to the torus. So you have different curves that have to be connected smoothly. This also means that the cylinder shape somewhat "dissolves" at the bottom when it meets the torus. I tried with bridge edge loops that go from torus to top of the cylinder (see blender file). However then I am left with trying to bridge the sides with back and front parts which I dont manage for the back part (without creating a unsmooth mess of it). Also you lose the shape of the object in side view.

Any ideas with this modelling problem? How do I smoothly connect the cylinder with the torus as seen in the refrence photos with all the curves shown (half pipe on side, curve from back of cylinder to the back of torus on the backside)?

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  • $\begingroup$ No link to the .blend? $\endgroup$
    – Robin Betts ♦
    Apr 3, 2022 at 15:39
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    $\begingroup$ You need to pack your reference photos in your blend file. $\endgroup$
    – Marty Fouts
    Apr 3, 2022 at 15:41

2 Answers 2

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Create a 24/8 segment torus (use AltS in Edit mode in order to shrink/fatten to make it as thick as your reference, cut a hole:

enter image description here

enter image description here

Extrude inwards, right click > LoopTools > Circle, still use the side view to make sure that it fits the shape:

enter image description here

Extrude up:

enter image description here

Use the front view to correct:

enter image description here

Add some edge loops if necessary, etc:

enter image description here

enter image description here

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  • $\begingroup$ Thanks can you show me how it would work with the backside of the cylinder jutting out farther than the backside of the torrus. I have added another reference image to my post. $\endgroup$
    – Paul
    Apr 3, 2022 at 16:00
  • $\begingroup$ you just need to increase the radius of the circle, create some new edge loops and move them back, etc. Try to keep as less edge loops as possible to make the shape easier to work $\endgroup$
    – moonboots
    Apr 3, 2022 at 16:02
  • $\begingroup$ Yes I am new to blender.stackexchange. Sorry for that. I have added the side view in my post. $\endgroup$
    – Paul
    Apr 3, 2022 at 16:07
  • $\begingroup$ Ok I've edited, please check the answer $\endgroup$
    – moonboots
    Apr 3, 2022 at 16:14
  • $\begingroup$ Thanks. That looks good. How does your model look from the front? $\endgroup$
    – Paul
    Apr 3, 2022 at 16:22
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Here's the simple version:

  • Create a Torus
  • Go to edit mode.
  • Pick a vertex on the top ring and delete it.
  • Pick the 8 vertices that surround the hole. selected vertices
  • Scale 0 on the Z axis
  • Use loop tools to form into a circle.
  • Extrude on the Z axis.
  • Add a subsurf final form

Loop tools is an add-on that's built in and you have to enable. Your blend file has it enabled.

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  • $\begingroup$ Sorry thats not how the object looks. For some reason my blender file didnt upload? Its a torus and the the cylinder shape sits on the ring. $\endgroup$
    – Paul
    Apr 3, 2022 at 15:31
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    $\begingroup$ Don't make understanding your question rely on downloading a file, please add enough images to your post to make it clear what your object looks like $\endgroup$
    – Duarte Farrajota Ramos ♦
    Apr 3, 2022 at 15:36
  • $\begingroup$ @Marty I have added the blender file. I could only upload one image per this software but more reference photos are in the blend file. $\endgroup$
    – Paul
    Apr 3, 2022 at 15:40
  • $\begingroup$ @Paul I've edited my answer. I would hope that you accept mine and then upvote Moonboots' similar but different take. $\endgroup$
    – Marty Fouts
    Apr 3, 2022 at 15:50
  • $\begingroup$ @Marty please check another reference image (side view). Problem I have with the answers so far is that the cylinder backside does not jut out versus end of backside of torus. As you can see from the reference image the backside of the cylinder juts out father than the backside of the torus. And then there is a smooth curve connecting backside of cylinder to backside of torus. $\endgroup$
    – Paul
    Apr 3, 2022 at 16:03

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