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2 days ago- Prusament: always top quality, at a price (PLA, PETG and ASA)
- dasfilament.de: I bought a few spools and it has been good so far (PLA and PETG)
Edit: forgot to mention Colorfabb, I used a lot of their Economy PETG, it’s fine in terms of quality, not as good as Prusament. Nowadays the price isn’t that good compared to competition.

They are much pricier compared to other EU based suppliers: comparing basic PLA, from prusa it is 27.5€/kg with the 2kg spool, Dasfilament and Fiberlogy give you about 16€/kg with their big spools.
I like Prusament, I have bought many spools and just yesterday I received my Prusament ASA “signal white”. For PLA, Galaxy black is one of my favorites and I buy it regularly. For the rest, I don’t see why pay so much more when the cheaper option are also good quality and give me perfectly good results and no trouble.
I am currently printing my MMU3 upgrade with Dasfilament PETG and it works great, came perfectly dry out of the bag, no strings, prints perfectly. 21€/kg vs 33€/kg Prusament.