Ender 3 extruder pivot 

Extruder pivot,  I used a skateboard bearing.   and I wrote more here the first time but this keeps loosing my text.  so... ya. 

extruder pivot 

I tried to relocate the extruder to the Z-axis rail half way along the X-axis to shorten the Bowden tube.     I've been asked for the files I used.   here you go.      I used a skateboard bearing for the bearing and screws were whatever I had on hand that worked.     

Spectacular Bruticus-Juttuli-15.stl

Ender 3 extruder pivot

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Ender 3 extruder pivot

Ender 3 extruder pivot

Ender 3 extruder pivot

Ender 3 extruder pivot