Neotko FatIRobertI Bondtech Feeder for UM2+ / UM3
By Neotko / Sugarpop!
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It's free to download
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- At least x4 m3 30
One spring for the IRobertI Arm. You can reuse the strong spring of the um2+/um3 but I think is way too much force for what is necessary. Remember this isn't a brute force feeder, bondtech gears do push the filament very precisely. So just pushing hard with the spring doesn't help feeding with quality.
- Some x2 M3 10-12-14mm depends if you use it on um3 (you can reuse his small m3) or on a um2+
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