Adjustable Kossel delta spool holder extension arms
thingiverse
Updated Aug 2, 2025: I appended two novel stl files to this update - tagged as v3. These additions enable the bracket to be employed closer to the frame of the Kossel and incorporate a significantly longer arm allowing the spool holder to rest on the rear of the Kossel and utilize merely one extension bracket (the longer one). These extension arms were constructed specifically for a 2020 extrusion Kossel, designed to integrate with this particular device http://www.thingiverse.com/thing:9876543 (Gearing's Gear Bearing Spool Holder). This design caters exclusively to larger Kossels boasting horizontal extrusions exceeding 280mm in length. My existing model is 300mm wide, utilizing a FolgerTech Kossel, and it operates seamlessly. These extension arms will extend roughly 55mm in length. Instructions: This gadget functions identically to the standard L brackets attached to the extrusion on a Kossel/Delta, requiring merely one screw/nut installed in the same location as the spool holder section, much like demonstrated in the images displayed above.
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