Is there pluging for expanding/making face along line/edges?

[TIG]

My 'Latticeizer' uses all faced-Edges in the preselected Group as the center-lines for its extrusions -
including the perimeter edges, so offset the main face inwards by half the extruded width before sub-dividing and erase the outer edges to move the assumed perimeter inwards, and then the over all size will be maintained when it's a lattice...
In its dialog you can choose different dimensions, materials and whether or not there are 'panes' to the lattice etc...