Almost there, but not yet! Find out what makes the bq Witbox a good and not-so-good 3D printer.
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I really like the style of this review! However, as a Witbox user, I find it a bit unfair (many of the small drawbacks you mention aren’t such a big deal once you start using the machine). General printing experience can depend for every user, so I won’t go into that. But I certainly don’t agree with the "open source" critique.
I don’t know about the filament-feeding patent, but it seems to me that in every other aspect the Witbox is 100% Open Source. The whole mechanical and assembly plans of the machine are available for download at bq’s website (I haven’t seen that for any other commercial 3D printer), and their software modifications are also freely available in the downloads section.
Also the fact that the company is committed to funding Octoprint while keeping it open and the free educational portfolio they are building gives me hope that they will continue to expand on these kind of projects!