Adjustable spool holder for the Original Prusa i3 MK2
thingiverse
This is another Prusa i3 MK2 low profile spool holder with manual spool width adjustment using a knob. Main parts are printed in PLA, the rolls in flexible filament, the cogwheel and the rack in Taulman Bridge (nylon). You need more: 2 pieces of 8mm aluminium pipes (or rods), 160mm long each from your local hardware store or from here: https://www.amazon.co.uk/Round-Tube-8mm-1mm-Aluminium/dp/B005DR2GUM. 4 bearings like this: http://e3d-online.com/608ZZ?search=608ZZ%20Bearings%20-%208%20x%2022%20x%207 are also needed. Infill is set at 10-20% for all the PLA pieces except nuts and bolts, 80% for the nylon cogwheel, the rack and for the nuts and bolts. Print 4 rolls and 4 end-stops. A 20min descriptive video is available here: https://www.youtube.com/watch?v=5ZAf8En3Qx0.
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