Y Adapter for 1.75mm filament dual extruders and single nozzle
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I Have Tried Few Y Adapter From Other Posting, But Never Found One That Works For Me. I Decided To Make One Myself. Few Things I Found To Make The Design Better. 1. Inbound Wider Tunnel, 3Mm Diameter, To Receive Filament. To Avoid Hitting Tunnel Wall When Feeding Filament From Pc4-M6 Fittings 2. Outbound 2Mm Diameter Tunnel To Feed Filament. To Avoid Hitting Pc4 Or Ptfe Wall When Feeding Filament From The Adapter 3. Avoiding Sharp Curve And S-Curve In The Tunnel 4. It Works Better With Pc4-M6(Bore 4.3Mm), Because The Ptfe Will Fit Against The Inbound Or Outbound Tunnels. 5. It Also Works With Pc4-M6(Bore 2Mm) If You Can Enlarge The 2Mm Hole A Bit By Using A Small Round Chisel. 6. I Also Tested With Retracted Filament That Usually Form A Bulging End. 7. I Tested With A Small Filament Roll Which Curved The Filament In Smaller Diameter. The M6 Threads Might Be A Bit Tight, So You Might Need A Wrench To Screw The Fitting In. 11/24/2017: I Printed My Very First Dual Filament Piece, And It Worked Great. I Use Marlin 1.1.6 With The Single Nozzle Option. Cura 3.0 Does Not Support Single Nozzle, So I Went Into Gcode Remove Anything Reference To T1(The Second Hotend). I Am Also Working A Y-Adapter Using M3 Snap Ring Instead Of Using Any Pc4-M6 Fittings. I Will Post It Soon.
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