Ultimate Spool holder (double bearing)

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Summary Does your print have shifts? Is your filament tugging on the spool? Do you think there may be a better way? Now there is. This holder works with all types of spools - wide flanges or narrow edges. Double bearings allow narrow spools to ride in the gap between two bearings, keeping the spool centered. One side of the holder is cut out for small spools full of filament. Flip the holder around and you're golden on big spools this isn't an issue. Instructions I printed these 100% fill parts. Parts Print two holders - one for each side of the spool. 8 x 608 bearings: http://www.amazon.com/gp/product/B002BBGTK6?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00 12 x M8 flat washers 4 x M8 bolts and nuts. Bolts need to be 35mm long. Installation Slide bolt into base then. Add washer onto bolt, bearing onto bolt, washer onto bolt, bearing onto bolt, washer onto bolt, bearing onto bolt, washer onto bolt, slide bolt into other side of base then. Attach nut to bolt. Washers on the outside of the base are optional. My bolts were 45mm because that's what I had on hand.