Bowden Extruder kit アルミ for1.75mm Bowden Extruder kit アルミ for1.75mm(2077828136400)3D printer parts DIY bowden Extruder kit (no motor) compact extruder aluminum alloy for 1.75 mm filament MK8 extruder aluminum block MK7 MK8 RepRap DIY在庫状態 : 在庫有り ¥3,520(税込) 数量セット