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I'm trying to create some hollow intersecting tubes as is hopefully clearly demonstrated in these two screenshots.

In this one, I've selected the internal parts that are hollow. Note that the holes meet in the middle; the same internal space is accessible from all three holes. Screenshot of hollow tubes. There's a Suzanne on the other side to clearly show the hole. Screenshot of hollow tubes!

The problem is that I haven't found any good way of making tubes like my example above. I used five boolean modifiers, some undoing and redoing, and a lot of manual removing of geometry to get the above, and I really think there are better ways to do this... Suggestions?

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1 Answer 1

up vote 4 down vote accepted

In User Preferences search for the "Pipe Joints" addon and enable it.

enter image description here

Press ShiftA and go to Mesh > Pipe Joints > Pipe Y-Joint. enter image description here

You can control the shape and angle of the joint by using the tab on the left side of the 3D view.

enter image description here

To add some thickness use a solidify modifier.

enter image description here

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Related is this video that show different ways for cutting holes. (It should be required viewing for anyone learning blender)vimeo.com/68844586 –  cegaton Jun 9 at 1:31
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Thanks, that is a very useful video for a beginner like me. –  catlover2 Jun 9 at 1:50

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