<p>I had a piece of 10 mm aluminium pipe laying around so I used it for guiding rods.<br></p><p>The end pieces should be of tight fit but I had to use few drops of superglue.<br></p><p>Jaws are pulled together with rubber band, secured in place with a piece of filament.<br></p><p>Original idea:</p><p><a rel="nofollow" target="_blank" href="http://www.thingiverse.com/thing:38447">http://www.thingiverse.com/thing:38447</a></p>
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