I struggle(d) a lot with PVA (regardless of Ultimaker PVA or FormFutura Helios) that the BB 0.4 extruder would always clog - despite dried material, even new out-of-vacuum-bag material. On both, UMS3 and UMS5 with material station.   FormFutura's BVOH dissolvable support material seems to be better, at least first results are very promising. I printed BVOH in combination with my favorite material ASA for my technical parts I mostly use outdoors flawlessly. FormFutura ApolloX ASA is UV
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