This is just a modified version of RepRap Wallace http://www.thingiverse.com/thing:14208 by whosawhatsis http://www.thingiverse.com/whosawhatsis. I've followed his instructions and altered the original http://www.thingiverse.com/download:56541 OpenScad file to be fitted with Nema17 motors and M8 rods.The Reprap Wallace is now on github http://github.com/whosawhatsis/RepRap-WallaceThere is a video of an axis test using Marlin on youtube http://www.youtube.com/watch?v=0QrEmGlZT0w&context=C3f40eeaADOEgsToPDskJ7qwV6fvNjtb93Wcpz_SHy More documentation, pics, and video on the Reprap Wiki page: http://reprap.org/wiki/WallaceThere will be a build log of this version at http://thinkerit.blogspot.com[2012-03-12] Added MXL pulleys to the batch. [2012-03-19] Added 100mm plates for smaller printers [2012-03-23] After some "dangling edges" problem with idler_pulley.stl, I've uploaded again after imported and exported again in Blender, at least in Skeinforge the error is gone.