Starting with ACAD 2004, Autodesk will not upgrade MDT. Your choices are mechanical 2004 (2D)and inventor (3D). I have MDT on my personal system and it has several limitions in regards to building 3D models from sketches especially when building gears. For example, I have to build one tooth on the 3D circle and extrude it and use polar 3D array. In ACAD, I build the whole gear and extrude.
tnks for responses
as i see, i must switch to inventor.
i use unigraphics, catia and solidworks too.
but mdt is the simplest 4 capturing 2d drawing from 3d models.