Edge borders from materials-colors...

[Dimitri]

First I want to ask if there is an easy way to do such a thing... because it is quite possible that there may be one, in front of my eyes, despite my not seeing it. : - )

If there is not, however, let speak about it: a command that will select automatically all the edges, bordering the materials-colors on an object (as is easily understandable from the first image below). We do click on a 'select material borders' command and, there, we do have selected all the edges between the materials-colors of an object.

Now, why I need such a feature? The explanation is very simple: because such a feature can offer, in a very easy way, the opportunity to create a feel of different parts-compartments on an object by using 'crease>move toward normals>bevel' route (as is evident in the second image with the renders below).

Mark... what do you say? Is it possible to implement such a command?