SJP Quick Change Spool to hold 5 lb filament
thingiverse
*WARNING: be sure your filament roll is wrapped from the inside out. otherwise tangles will result and filament will jam. V1.1 Spring holds not strong enough to keep arm closed. PLANS: New arm releases, Hole to hold filament ie start of spool inside end (both 3mm and 1.75mm), tips of arms to tilt to inside to help with unraveling, more spokes in hub to keep filament circular. This was created to hold 5 lb of filament. Based on murat's 1 lb design One of the arms allows collapse to ease reloading of a fresh spool Pictured V1.0 V1.1 - removed cross brace support to use less plastic and ease access to spring/band hooks. Video of hub V1.0 printing: http://youtu.be/oknv5050ghE Pictured, fresh 5 lb spool, arm opened for loading. pictured fresh 5 lb spool mounted with SJP 2 piece spool holder and 8mm rod. Instructions Print spool hub Note: make sure your bridging settings are calibrated properly Remove bottom support ring Print arms 3 Static arm and 3 open arm 6x 22mm - 25mm m3 nuts and bolts 3x ExtensionSprings or rubber bands 2x 608 bearings
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