From
Newtek Forums:
" The need for the script came when I needed to alter the diameter of a simple straight pipe and still keep the wall thickness. None of the standard tools did what I wanted. Stretch for example didn't keep the wall thickness and also was very hard to control for exact measures.
The simple task it performs is to move selected points in a radial manner from the center on selected planes. It can also move all point equally on all axis... Look at the pictures, they are explaining this better than my wording is
The script doesn't work (very well at least) on bent, rotated, curved objects.."
The plugin is
here
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Plugin que nos facilita aumentar el diámetro de un elemento sin afectar al grosor. Pequeñas herramientas que alguna vez echamos de menos...