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Is there an operation similar to inset that creates faces in the opposite direction? That is, instead of creating faces inwards, they create faces outwards?

A normal inset operation: A normal Inset operation: What I would like: What I would like:

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  • $\begingroup$ I'm afraid this won't work as you end up with incorrect corner ratios. Consider what will happen with the corner in the centre of the image; they won't converge with a simple scale transformation. $\endgroup$ – Stuart Hart Mar 3 '16 at 11:15
  • $\begingroup$ The easiest workaround can be to scale whole model / relevant part of model and inset the desired loop after. This is known problem also of Solidify modifier which I don't think easy to avoid. $\endgroup$ – Mr Zak Mar 3 '16 at 13:38
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This can be done using the addon "Offset edges".

enter image description here

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  • $\begingroup$ This is perfect! Thanks, Omar! The addon has some pretty neat features too which would be nice to see on the native Inset operation (I am referring to the angle options, which I think will prove very useful). $\endgroup$ – Stuart Hart Mar 4 '16 at 12:35
  • $\begingroup$ This really ought to be in the default toolset! $\endgroup$ – Colin Basnett Oct 6 '17 at 2:11
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As long as you can get away with the distortion of the aspect ratio, you can just use the extrude (E-key) functionality.

Other than that Mr Zak's comment is the best solution:

scale the whole model / relevant part of model and inset the desired loop after.

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The simplest solution I have found is by inserting a face as normal.

Then double tab the G key and pressing the Alt key to slide your edge over the border.

Then you can delete the face or extrude it, depends on your demand.

https://media.giphy.com/media/llaNrdl1StxDxu127t/source.mp4

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There is a simple solution without extra add-ons or complex mesh tweaking. Simply follow the steps as shown in the images.

Select border edges! Extrude edges only! Move down along Z axis! Go in top view! Scale along normals Move the vertices back up! Like this! Perfect outset!

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