I wonder if the V extrusion will ever be released in Steel I would like to use extrusions that are 2500mm long to build a 4' x 8' table.
I'm with the OP. I am building a very large 3D printer of my own design. I need lengths of at least 3m for some of my slide rails. I could use plates to splice them, but I really don't want to do that. I will do regular T slot if required, but I like the modularity of the Vslot.