Spool spindles for use with 3x6x2mm bearings

prusaprinters

<p>Large is aprox. 45mm in center dia<br/> Basic is aprox. 21mm in center dia<br/> Both have 2.5mm lips on the end to hold spool in place so the hole in your spools need to be at least 5mm larger than the center Dia.</p> <p>Two spool spindles for filament .. both designed to use with a piece of 3 mm tubing, and 3mm(inner) x 6mm (outer) x 2mm (thick) bearings. (used a lot on RC aircraft)</p> <p>both are design so no support or inner structure is needed, to save filament and print time. Smaller one is solid caps as it's a small enough bridge that most printers should have no issue. the larger one is designed with 4 legs on top which are arced so the printer can build out without issue.</p> <p>my printer isn't larger enough (M3D printer) to print legs so I just cut some out of scrap plywood.</p> <p>I did have to knife out the bearing openings a tad as my printer's backlash sucks.. should be close if using a better printer though.. might even have to pad a bit.</p> <h3>Print instructions</h3><p>Category: 3D Printer Accessories</p>