Dual Direct Drive Extruder Upgrade for Ender 3 / Ender 3 Pro / Ender 3 V2 – NEMA17 HS4023 + 5015 Radial Fan + BMG Extruder

Description

This is a complete Dual Direct Drive Extruder upgrade designed for the Creality Ender 3, Ender 3 Pro, and Ender 3 V2. The system uses a NEMA 17 HS4023 stepper motor, a 5015 radial cooling fan, and a BMG dual‑drive extruder mechanism for strong, consistent filament grip. This design significantly improves: Extrusion accuracy for flexible and soft filaments Retraction performance Print consistency at high speeds Cooling efficiency with a dedicated 5015 blower The mount is engineered for rigidity, airflow optimization, and easy installation. All parts are modeled with proper clearances for wiring, fan ducts, and filament path alignment. Perfect for users who want to upgrade their Ender 3 to a true direct‑drive system without buying expensive aftermarket kits. Keywords included: Ender 3 direct drive, dual drive extruder, NEMA17 HS4023, 5015 blower, 3D printer upgrade, Creality extruder mount.