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I need to move the edge vertices of an open semi-spherical mesh to another large mesh, a short distance away, so as to end up with a properly closed single mesh for 3D-printing purposes. I am trying to move vertices using snapping to a face as suggested in Fig 1. Fig 1. Snap vertex to face I thought that turning on Snapping, setting Snap-to-Face parameters, Proportional Edit off, and then Moving the separated vertices to the other-mesh faces would be the answer -- a 10-minute edit. Now, two and a half days later, after looking at every Answer, tutorial and web page I could find on Snapping, I am still dead in the water and desperate for help.

I have replicated the situation with a sloped cube and open-ended cylinder as in Fig 2 which shows the Snap settings. (I flipped one target face, in case Normals were causing the problem, but no difference in behaviour.) Fig 2 No matter what Snap-to-Face setting I used in Edit Mode, G X-moved vertices would not Snap to anything on the cube: Fig 3. Fig 3 Hitting Ctrl or A during Move made no difference, I also tried snapping vertices to another object (with the same Snap-to-Face settings), but again nothing. I closed and re-opened Blender. Same.

Finally, I realized that, in spite of the Snap button being ON, Blender never showed the little yellow circles around vertices to confirm that it was operating in Snap mode. Is this a Blender 3.0.0 issue or am I doing something wrong?

@mqbaka, indeed, the two unconnected meshes are within one object in Edit mode and Snapping is needed to connect them.

And, yes, I had started with Project onto Self setting, but the results were rather peculiar and not what I expected for a G X move. enter image description here
enter image description here enter image description here

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  • $\begingroup$ Blender 3.0.1 is the latest. Please upgrade and see if the issue is still there. $\endgroup$
    – TheLabCat
    Commented Feb 9, 2022 at 23:42
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    $\begingroup$ Blender 3.0.1 behaves in the same way. $\endgroup$
    – cappa
    Commented Feb 11, 2022 at 3:25
  • $\begingroup$ To move forward, could someone please create an example like this that demonstrates Vertex Snap to Face within an Object working correctly? Thanks. $\endgroup$
    – cappa
    Commented Feb 11, 2022 at 3:40
  • $\begingroup$ Can you upload the blend file? Taking a look to it would help with the problem. $\endgroup$
    – mqbaka mqbaka
    Commented Feb 11, 2022 at 5:26

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In your screenshot, I'm guessing that the cube and the cylinder are part of one object, in which case you should enable Project Onto Self :

enter image description here

Without this option, the snap will only occur to surfaces from other objects. Look at the screenshot from the tutorial and you'll see that it's a different object.

Also another hint to that is the fact that the yellow circle doesn't display. The yellow circle is there to indicate that Blender "found" a snap target to snap your vertices to. In your case, the yellow circle missing just means that no snapping target was found since Project onto Self was disabled so Blender didn't consider the object itself to be a snap target.

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