i find it crucial for my architectural stuff; but i updated the software, and it’ gone…
2.75a
Which one do you mean ?
http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/3D_interaction/Panel_Measure
http://www.macouno.com/commissions/caliper/
it was a built in one, i think named measure (viz) or something else
but this might also work, thanks
(i didn’t saw this in any release doc…)
The image shows the measurement ruler tool built into blender
You will need to be in edit mode for it to be accessible
Why don’t try MeasureIt?
There are more videos in Youtube where you will see a lot of options.