Just wanted to thank Nophead and the community for answering my dumb questions and posting all the threads I have perused over the past couple of years. My Mendel90 Sturdy successfully printed a calibration cube yesterday after about two years of parts gathering and spare-time building. 300X 200Y 300Z (more like 290, but whatever), 8mm trapezoidal leadscrews instead of allthread, Nophead's direct extruder.
Now to print a spool holder...