Open Source Filament Extruder "Felfil Evo" Now on Kickstarter
Clay Paste Extruder For 3d Printer Ceramic Biomaterial Filament Extruder Nozzle Assembly Kit Industrial Grade High Precision - 3d Printer Parts & Accessories - AliExpress
Amazon.com: Direct Drive Extruder, Easy to Install 3D Printer Extruder Kit Short Range 1.75mm Filament Feeding for Ender 3 Pro : Industrial & Scientific
3D Printer - Filament Extruder Feeder Kit with Nema 17 Motor and Driver Gear | eBay
Aent 3D Printer Full Metal Hotend Extruder Kit Hot End Set with 0.4mm Nozzle 100K Thermistor Heatsink Wire 24V Compatible with Aent ET4/ET4 Pro Printer 1.75mm Filament - Walmart.com
Filabot: Plastic Filament Maker by Tyler McNaney — Kickstarter