a simple filament guide made to fit on an ender 3/pro (any printer with the same size and metal spool holder) without any additional hardware and doesn't interfere with a z axis knob.

this style of design is not new, however it is my take on it and the way that fit my ender 3 the best. I have forgotten the original design of this style of filament guide but it has been completely sketched and modelled from scratch with my specific needs and measurements so I think I can call it my own design on that aspect at least. it is also a bit longer than most filament guides to be able to have the spool holder more centered on the printer. it does mean it uses up a little more filament though.

fitment should be snug, if it is too tight you can shave off a little until it fits good.

should work with a 0.4 and 0.6 mm nozzle 

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https://ko-fi.com/jobis