Shapeoko upgrade (7) – New belts, pulleys and idlers Posted on November 7, 2016November 18, 2016 by Frederico Ok, so now that I have the much more powerful 276 oz-in NEMA 23 motors driving my machine, I went on and replaced all the pulleys and idlers in order to have them accept 9mm GT3 belting. I do this... Read More