42mm hub for Material Sample Spool
thingiverse
The Material Sample Spool gets a boost with a slightly larger hub measuring 42mm in diameter to ensure seamless compatibility with the "Spool holder prusa i3 plus by osvold" on Thingiverse (https://www.thingiverse.com/thing:1194386). To keep costs low, reuse the arms from the original design. Here are the Print Settings: Printer Brand: RepRap Printer: Original Prusa i3 MK2 Rafts: None Supports: Not necessary Resolution: 0.2mm Infill Percentage: 20% Notes: Supports were used for the arm holes, but they might not be needed after all.
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