What snapping technique to scale edges out to be exactly upright in this case?

I'm wondering if there's a snapping technique I could use to get a
scaled edge ring to be exactly straight up and down?
I can just scale and guess, by eye, that the edges that get scaled out
are exactly upright, but I want to be exact, without having to set the
location of each vertex manually.
Thanks for any ideas.

before scaling

scaled by eye, but not exactly upright

You can try scaling that edge loop in Vertex select mode and snapping set to Vertex > Closest, while scaling lock axes to anything but surface of that loop (in your example above, this would be S > Shift+Z), though this way might not work for every situation.
– Mr Zak
Aug 25 at 13:13

Thanks, yes this works quickly and easily, and is using snapping, which is what I was mostly wonder about how to use in this case.
– frew
Aug 25 at 17:31

One note, for anyone else exploring this, I need to have button "snap onto itself" enabled here at snapping options. Maybe that's on by default.
– frew
Aug 25 at 17:37

2 Answers
2

While this is no general answer to how to solve the snapping problem and might not work for more complex shapes, in this particular instance I think it's easier to not rely on scaling but instead use Loop Cut and Slide, cut exactly at the bottom and then manually move the added edge loop upwards. For the upwards translation you could use exact numbers or vertex snapping (while restricting the movement to the Z axis) to end up at the height of your existing loop.

loop cut and slide

Thanks, yes this also works very nicely, and is an option to snapping in this case.
– frew
Aug 25 at 17:32

The slide method is given by binweg is better than scaling, because it's more general, but in this particular case, just out of interest:

Thanks, this also works. Good to know about this snapping option too.
– frew
Aug 25 at 17:33

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