Can a double extruder be used on a Ender 3 Pro?
You may find the answer you’re looking for here
It got me thinking so I went looking 
It seems that there’s a lot of work involved 
Hope this helps
Can a double extruder be used on a Ender 3 Pro?
You may find the answer you’re looking for here
It got me thinking so I went looking It seems that there’s a lot of work involved
Hope this helps