AUP3Steel Frame and z-axis

We have made several printers (3 iterations and 85+ printers) and have been working from the P3Steel frame. We changed and added features to the very nicely designed frame Leonardo. We have included the x-axis from the Alu. version but made it in 3 mm stainless steel (ASTM304).

A very special thank to Jakob for handling the drawings, and all others for input and suggestions grand job to you all.

We have called it the AUP3Steel and added/changed:
0) Distributed into individual drawings an