When I try to do it, it looks VERY sloppy. I assume there's an easy way, I just don't know how.

Here is kind of what I'm going for:

It can't have a lot of faces though so the Subdivide modifier is out of the question. I don't mind if it's a little blocky but I just can't figure out how to merge cylinders like that.

  • $\begingroup$ Not at a computer to make a full answer but extra objects addon has a pipe joint object. That is the fastest way. $\endgroup$
    – Timaroberts
    Jun 14, 2017 at 4:05
  • $\begingroup$ Possible duplicate of How to aproach the modeling of duct work, piping, wiring? $\endgroup$
    – user1853
    Jun 14, 2017 at 4:08
  • $\begingroup$ Use the suggested addon and select Pipe_Cross-Joint $\endgroup$
    – user1853
    Jun 14, 2017 at 4:09
  • $\begingroup$ That's not what I want though. Those are sharp. This has a much more gradual curve into each other $\endgroup$
    – Jones
    Jun 14, 2017 at 4:17
  • $\begingroup$ Smooth curving surface will be available only with adidng new geometry, no matter if with Subsurf or any other way. $\endgroup$
    – Mr Zak
    Jun 14, 2017 at 9:04

1 Answer 1



I do know that you said you don't want to use Subdivision Surface modifier, but just check those numbers:




  1. Select four faces around a Cube.
  2. In Tools Panel choose Extrude Individual and enter desired number or move your mouse (I've entered '1').
  3. Delete selected faces.
  4. Add Subdivision Surface modifier.
  5. (Optional) Add Solidify modifier.
  6. (Optional) In Data tab check AutoSmooth and set Angle to 60 degrees.

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