Ultimaker syringe extru 8 years Other 1974 721 Kossel fan mount 8 years Printers 1802 692 Wade's geared nema 17 e 8 years Other 1664 757 Qu-bd mbe bowden experi 8 years Other 1798 684 Taz extruder for e3d ho 8 years Printers 1646 737 Wildseyed simple hot en 8 years Other 1607 650 Rollerstruder: filament 8 years Printers 1439 749 Qu-bd mbe water cooled 8 years Printers 1704 749 Prusa i3 vertical extru 8 years Printers 2072 741 Greg's wade extruder wi 8 years Printers 1741 736 Quick-fit x carriage fo 8 years Printers 1756 672 Geared peristaltic quic 8 years Printers 1839 713