Hello have ben using Mach 3 for about six years now I think it's the greatest I built a 42 x 42 three axis router first then I built a little harbor freight 7 x 10 and now the latest I built is a 3-D printer I wanted it to be very reliable so it would run for days doing large prints reprap just didn't cut it mainly extruder for plastic just didn't seem reliable so I started and did design my own but of course it turned out to be very heavy so I had a build a very sturdy heavy duty machine the standard reprap electronics obviously would not work I needed large motors ballscrews linear rails that is my 3-D printer I call it the tankTwo videos Two videos https://www.facebook.com/photo.php?v=108932639308726&l=439374382398743664 Two videos https://www.facebook.com/photo.php?v=108919115976745&l=8836569305644303332