Simple dual bowden Extruder for Prusa i3 rework
Description
Update: --> Tested And Working Flawlessly, No Issues With Cooling And Airflow. An Update Under Works: Light Rig Setup Under The Fan I Had The Following Design Goals: -Single Fan, Enhanced Airflow Duct To Maximise Cooling And Reduce Fan Noise. -Using Common E3D Extruder Body And Alu Heatsink -Keep Minimum Distance Between Heads (Now At 24Mm), Still Need To Work On Parametric Approach (Which Started With 40Mm). -Easy To Disassemble (You Know, Jamming/Cleaning And So On). Due To Closeness Of The Heads, I Could Not Have 2 Clamps. -Clamp With Pass-Through Screws (No Need For Inset Nuts). -Structural Rigidity -Fanduct, Supported With A Dent Intrusion Behind Extruders. -Small Part Count (3) And Printable (To Be Tested). -Easy Disassembly/Assembly (Tested). -Bom : 2/3 50Mmxm3 Screws. 3 M3 Nuts Used Few Models For This: -Derived From Http://Www.Thingiverse.Com/Thing:547706 But As Source Was In Solidworks, Created Openscad Version. -Parametric Fan Blade Http://Www.Thingiverse.Com/Thing:689564 -E3D Extruder Http://Www.Thingiverse.Com/Thing:433258 Disclaimer: I Have Printed Couple Iterations, This Has Been Improved: -M4 Nut Insets -Fanduct Support (Simplified, With Just Dent On Back Seems Good Enough) -Extruder Separation -Increased Length And Diameter For Larger Extruder Now With Pictures !
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