Design of co-extruder hotend

Dyze Design Extruders Overview

Hot End Design on 3D Printer Extruder Airtripper's 3D Printer and Arduino Blog

DyzEnd PRO High Performance 500C Hotend - 1.75mm 0.4mm (12v)

ABS Education 3D Printer J-Head E3D V6 Hotend Extruder at Rs 800/piece in Ahmedabad

Design of co-extruder hotend

V6 All-Metal HotEnd – E3D

Multi-extrusion is the next big step in 3D Printing, and that possibility is now a reality. E3D have designed a range of modular dual extrusion

E3D Chimera+ Full Kit

Hot End Design on 3D Printer Extruder Airtripper's 3D Printer and Arduino Blog

Dual Switching Hotend v2.1 – Makertech Store