Rear active cooling duct with 40mm fan and LED lighting (Duplicator 4 dual)

Description

This Is Another Fan Duct For The Duplicator 4 Dual To Provide Active Cooling And Led Light To The Nozzle Working Areas. The 40Mm X 40Mm X 10Mm Fan Is Positioned Vertically Behind The Stepper Motors. The Big Advantage Of This Is That The Fan Does Not Obstruct The View Of The Nozzles. I Printed It Out With Clear Petg Filament So That The Whole Thing Lights Up With The 2 Installed Leds. Most Of These Type Of Cooling Ducts Require Active Cooling To Be Build, Which Is A Problem, Since You Don'T Have An Active Cooling Duct Yet... This Model Includes Fine Bridge Support Structures Already Included In The Design. This Can Be Removed Once The Print Is Complete. These Structures Offer More Effective Overhang Support Then The Support Offered By Most Slicing Algorithms. This Makes It Possible To Print This Item Without Active Cooling. Features: • Clear View Of The Nozzles - The Fan Duct Is At The Back. • The Leds Illuminate The Nozzle Working Areas. • Less Obstructions Within The Fan Ducts = More Air Flow. • Air Is Concentrated On The Nozzle Tip, Not The Heating Element. • The Nozzle Heating Elements Are Not Obstructed = No Heat Build Up (No Melting Carriage - Hopefully!) • Clears The Heat Bed Tray At The Back (It Just-Just Does In My Printer!) • Easier To Print Then Others. (If You Download The File That Has The Necessary Support Included - Don'T Use Your Splicer'S Support.) • Attaches To The Rear Carriage With Two 3Mm Bolts And Nuts. Changes Made (9 Dec 2014): 1. Back Wall Thickness Increased From 1.1Mm To 1.2Mm. 2. Extended Centre Wall To Support The Middle Protrusion Of The Duct When It Prints - It Curled Upward While Printing. 3. Fan Set 1Mm Inward - The 10Mm Fan Stuck Out By 1Mm. 4. Changes To The Temporary Support Of The Blower Outlet Ridge - It Curled Upward While Printing.

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