Good ONE Wetzel!
For those of you who don't know .stl(industry standard 3d print file format) do not carry units.
For example if I designed a 1 inch cube in solidworks, saved it as .stl, imported it into my software, my software doesn't know if it was drawn in mm or inches. If I selected inches in my software it would be 1 inch, but if I selected mm it would be much much smaller than 1 inch!
BTW the #'s 768 and 1200 in the Dimension 3d printer lineup stand for the build volume it has. 8x8x12 inches = 768 cubic inches