<div>This improves on the old one, designed by Graber and BrandonH at: http://www.thingiverse.com/thing:110283</div><div><br></div><div>This is an <i>independent</i> creation, and thus is licensed CC-SA (rather than CC-SA-NC).</div><div><br></div><div>The improvements are:</div><div><br></div><div>1) Aesthetically rounded corners.<br><br></div><div>2) The nut traps are larger, so you can easily place regular or M3 nyloc nuts into them.<br><br></div><div>3) The M3 bolt holes are larger, so you don't need to drill them out.<br><br></div><div>4) The M3 bolt head holes are recessed deeper, so that none of the bolt heads stick out, and so that you can use a washer to gain a little extra clearance between the carriage and extrusions.<br><br></div><div>5) The M3 bolts used for axles are set a little deeper so that when you use a nyloc nut to hold the rollers on, a reasonable number of threads will engage.<br><br>I printed mine in PLA with 0.2mm layer height, 50% infill, and 3 side layers and 4 top/bottom layers.</div>
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