The Dual belt Extruder I'm developing : r/3Dprinting

Dual Z belt drive Ender 3. I've achieved final form. : r/ender3

Dual Direct Drive Extruder for TronXY X5SA Pro. May also fit Ender 3/5 , CR-10? : r/3Dprinting

Back-to-Back Belts Drive Filament In This Unique Extruder Design

Large Build Volume: Ultra-large forming volume allows you to print single model up to 300*300*340mm, or two of the same/mirrored model at the same

JGMAKER Large 3D Printer Artist-D IDEX Dual Extruder 3D Printers Direct Drive Extruder Linear Rail Large Build Volume 11.81x11.81x13.38in 98%

This 3D PRINTABLE Extruder works with TIMING BELTS!

$259 Reach 3D Printer by Nate Rogers — Kickstarter

JG MAKER Large 3D Printer Artist-D IDEX Dual Extruder 3D Printers Direct Drive Extruder Linear Rail Large Build Volume 11.81x11.81x13.38in 98% ABS PLA PETG TPU Flexible 1.75mm (Artist-D 3D Printer): : Industrial & Scientific

The Dual belt Extruder I'm developing : r/3Dprinting

Is investing in a dual extrusion 3D printer really worth it?

Reprap development and further adventures in DIY 3D printing: March 2011