External feeder assist replacement

Sovol SV08 MAX
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@sovol3d Sorry for saying that but external feeding mechanism in SV08MAX is horrible. Even with helper mods you get false positives all the time.

I’m new to Voron like printers and currently after some research about other options I would like to add filament runout sensor on top of toolhead and second extruder to replace SOVOL feeding mechanism, with some sensor to detect de synchronization between both extruders.

So the question is, how to even start with this task? Have you any tutorials or advises for newbie?

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There are several DIY color changer systems that could be simplified to a single color. This is one example https://makerworld.com/en/models/724214-diy-ams-lite#profileId-655308. There are MANY others.

BUT if I could afford a Max I’d consider designing a ceiling mounted spool holder and feed to the extruder with NO PTFE tube at all. If you decide to add an enclosure you’d need a pyramid roof and a short tube.

ALSO On my SV07 I pull filament from my dryer through 1.5m of PTFE with zero problems. The curve in my setup is VERY gradual making a half circle with a radius of about 500mm. The center of the arc is supported by an elastic cord attached to an overhead shelf,

Is the “buffer” needed at all? Get rid of all the twists and turns I think you’d be fine without the buffer.

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