Ender max filament guides (2 versions)
Description
Ender 3 max filament sensor guides. Version one is the Bowden coupler version. Version 2 is the cone opening (no bowden required) version. Both can store up to 3 spare nozzles and a P4 M10 coupler. Version 1 blocks the visibility of the filament sensor led. Version 2 however came later and was tailored to deal with that issue. You can either leave the second nozzle aperture open for the best illumination. Or alternatively you can fill all 3 slots and still have some visibilty of the LED through an opening by the side of the second nozzle. I printed both without supports and had no issues with either. When correctly fitted, both are deadly accurate at getting filament into the filament sensor with the minimum of effort. Before tightening the guide down, insert a piece of filament through the guide and the sensor. Now adjust the guide so that there is little or no resistance when sliding it back and forth. As soon as you are happy everything is running free, then bolt up the filament sensor. Do a last check. whether you choose the cone or the coupler version, both will align perfectly with the filament feed hole with a few moments of making sure alignment is good (it should be near perfect). There is sufficient play in the lower brack to allow for any corrections needed. Note:- I have a couple of couplers that are different widths in the threads, negligible but visibly different. For that reason I left the coupler storage without threads cut in them. It is a very easy task to screw in an m10 to the correct opening of the guide. When fitting, do a half turn in then come back a quarter and repeat til it is fitted satisfactorily.
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