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Dual extruders are nice (my replicator 2x is one) but as interesting as dissolvable supports are, they only have advantages if you are not able to reach the supports (for instance they are inside of an object or they are very small. The problem with supports for FDM is, that both are melting and get mixed a little. And like that they are not totally separated and will leave small marks too. I would have to try it out again because the last time I did that is years ago (some software updates could make a difference here) but my first tries can be seen here: https://www.patchwork3d.de/blog-5-en/abs-u-pva-print-on-my-makerbot-replicator-2x-514 I tried to make my replicator 2x a all-rounder-machine (it is in general meant to print ABS, not like my replicator 2 PLA) and ABS has a lot of problems with shrinking. But for PLA (which has close to no shrinking problems) you need different cooling mechanisms. For that I have build additional cooling fans next to my nossle and stuff like that but I never got it perfectly to run till now (have to admit that I did not try it extensively...) so I use my replicator 2 for most prints just because it is very, very dependable. I can shut it off for half a year, come back to it then and it will print as if it was half an hour later... I really like it. The moment I activate my replicator 2x and print something else then ABS with it, I have to invest a lot of time. That is, why I tend to just model stuff the way I need it to avoid overhangs... like these minions for a wedding cake: https://www.patchwork3d.de/blog-5-en/minion-mariage-or-what-you-should-put-on-a-cake-part-1-731 https://www.patchwork3d.de/blog-5-en/minion-mariage-or-what-you-should-put-on-a-cake-part-2-732 (when I printed them I was in the middle of reassembling my printer with a new nozzle/print head so the quality suffered a bit because it was not really done till then, but it had to be done very fast because the wedding was close and it was still fun to do and they liked it a lot ) In the images attached you can see how I've split up the male minion model for printing it and then I just glued those together afterwards and painted them (and yes, I am really not talented with painting models as you may see ) Best regards *Fuchur*