FreeRoll spool holder

prusaprinters

<p>A space saving spool holder/filament guide system for use with the Prusa MMU2. Low drag on the filament. Drag does not increase as much as spool empties. Less tangling of filament behind printer/keeps looped filament up and clear of bed/cables.<br>The filament guide arm is counter weighted to act as a retracting mechanism to lift the filament as it is unloaded from the hotend.<br>You will need some parts:<br>608 bearings - 3 per holder (you can use the Prusa provided ones for their holders)<br>3mm x10 screw- 1 per holder<br>5mm x 10 screw- 1 per holder<br>5/16"-18 x 5" carriage bolt- 1 per holder<br>5/16-18 nut- 2 per holder<br>1/4" x 1-1/4" (5mm) fender washers- 7 per holder<br>4" length of 1/2" EMT conduit- 2 per holder<br>PTFE tube- 1 per holder (use existing tubes provided with Prusa kit)</p><h3>Print instructions</h3><p>Unassociated tags: spool holder</p><h3>Category: 3D Printer Accessories Print Settings</h3><p><strong>Printer Brand:</strong> Prusa</p><p><strong>Printer:</strong> i3 MK2.5</p><p><strong>Rafts:</strong> No</p><p><strong>Supports:</strong> No</p><p><strong>Resolution:</strong> .2mm layer</p><p><strong>Infill:</strong> 80%</p><p><strong>Filament:</strong> Proto-Pasta HTPLA Natural<br><strong>Notes:</strong></p><p>I used 3 perimeters with 4 top/bottom layers &amp; 20% gyroid infill for the base. 2 perimeters &amp; 15% infill for the guide_arms &amp; other parts.<br>you will need 2 pipe caps &amp; 2 tube caps per holder - 1 each of all the other parts<br>Assemble the guide_arm &amp; PTFE_guide with ACC glue.</p>