Mingda Rock 3 Pro Spool Holder

Mingda Rock 3 Pro Spool Holder

prusaprinters

<p>I was struggling while printing with TPU. The extruder was really pulling and stretching the filament. I needed less friction from the spool holder mount. I was already using one on a different printer and I liked how it worked. I remixed that design to fix my Mingda Rock 3 Pro.</p><p><strong>You will need (2) 608ZZ bearings</strong>. I used these the last time I ordered a set. They're cheap and they seem to work ok. (<a href="https://www.amazon.com/gp/product/B097BRHRVR?ie=UTF8&amp;psc=1&amp;linkCode=sl1&amp;tag=thingiverse09-20&amp;linkId=fdce96ba0684e083e29d92f00b8a3815&amp;language=en_US&amp;ref_=as_li_ss_tl">https://www.amazon.com/gp/product/B097BRHRVR?ie=UTF8&amp;psc=1&amp;linkCode=sl1&amp;tag=nmemprod-20&amp;linkId=fdce96ba0684e083e29d92f00b8a3815&amp;language=en_US&amp;ref_=as_li_ss_tl</a> - Affiliate link)</p><p>This is the first real thing I have made, so be gentle with feedback! I have no idea how the tolerance are across the factory spool holders and really have no idea what I'm doing!</p><p>I left a hole for a bolt and nut. It's really completely optional. I ran a few jobs without it, it's more for peace of mind.</p><p>I highly recommend using PLA+ and probably more like 25% infill. I used 10% when I was testing and ended up just using that print. It's sturdy, but your milage may vary.<br>--</p><p>The mount is modified from <a href="https://www.thingiverse.com/Bebop33">Bebop33</a>'s model on Thingiverse &nbsp;https://www.thingiverse.com/thing:4261119</p><p>The roller is unchanged from the listed original model. Please check out <a href="https://www.thingiverse.com/Bebop33">Bebop33</a>'s original design.</p>

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