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I'm a newbie in Blender and probably this's a question asked dozen of times but answers found around will not apply to my problem ... I'm trying to enable smooth shading for the mesh in this project and I'm unable to do so. The original mesh was imported from a .glb file I did not mess around with materials or other properties. This's the mesh as it appear after enabling shade smooth.

shade smooth fails

I have some other meshes imported from different formats (.ac3d) where I can change between smooth and flat without any problem:

shade smooth working

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  • $\begingroup$ Hello, if the object is subdivided a lot, it may not look smooth if the edges tend to flatten some parts, please show the topology $\endgroup$
    – moonboots
    Commented Jun 28, 2021 at 11:55
  • $\begingroup$ can you provide your blend file so we can check it out? $\endgroup$
    – Chris
    Commented Jun 28, 2021 at 11:56
  • $\begingroup$ @Chris sure ... you can find it here, the filename is mc202.blend. $\endgroup$
    – weirdgyn
    Commented Jun 28, 2021 at 11:58
  • $\begingroup$ @moonboots it's not subdivided much more than other mesh I show below... $\endgroup$
    – weirdgyn
    Commented Jun 28, 2021 at 12:00

2 Answers 2

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The problem is your topology. It is really messy.

There are lots of double vertices.

You can improve it a bit by doing this:

Press Tab to enter edit mode. Select vertex mode.

enter image description here

Press M -> by distance ->

enter image description here

with these values it gets better...but...honestly, your model needs retopology!

Result (a bit better but far from perfect):

enter image description here

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  • $\begingroup$ beautiful! (it worked).... thnx. $\endgroup$
    – weirdgyn
    Commented Jun 28, 2021 at 12:13
  • $\begingroup$ you are welcome $\endgroup$
    – Chris
    Commented Jun 28, 2021 at 12:13
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All your faces are separate so Blender can't smooth between them, select all and press AltM > Merge by Distance.

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