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In that kind of situation enter image description here I'd like to scale down the whole object until the top edge and the bottom one are separated of 1 unit distance. How could I do that?

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  • $\begingroup$ ..apart from the answers here, just in case you don't already know, you can enter (Python-like) arithmetic expressions in the value fields in Blender, which is often very handy. $\endgroup$ – Robin Betts Aug 22 at 21:02
  • $\begingroup$ Well I never looked that way. Maybe I should. Thanks. $\endgroup$ – lvictorino Aug 22 at 21:17
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Just thought I'd add this, to give another option ...

There's a 'Dimensions' panel in the N Properties region on the right of the 3D view. Since the object is aligned to its bounding box you can:

  1. Enter 1 in the 'Y' field of the 'Dimensions' panel. A new scale will appear in the 'Y' field of the Scale panel.
  2. Copy-paste the value from the 'Y' scale field to the 'X' scale field.
  3. CtrlA > Apply the scale of the hexagon.
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  • $\begingroup$ Thanks Robin, easier than my solution but having both is no bad thing. $\endgroup$ – barkest Aug 22 at 16:49
  • $\begingroup$ @barkest This way only works quickly if the dimension of interest is aligned to the bounding box .. so your way is more general .. $\endgroup$ – Robin Betts Aug 22 at 16:51
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Not sure if this is what you need.

Enable edge length in the overlay

enter image description here

Add an edge between the two points. You can do this with fill f to make sure it does not split the mesh at all.

enter image description here

Scale the whole object s and hold down the shift to be more precise. Stop when you get to the correct length and then delete the edge you added.

enter image description here

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  • $\begingroup$ It works perfectly fine for my use. Thanks a lot! $\endgroup$ – lvictorino Aug 22 at 15:09

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