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  1. #1
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    About to get first 3d printer

    I am about to get my first 3d printer. At present I am getting it for some inventing only. I have pretty much settled on an Ender 3 V2. A few questions:
    1. I notice a lot of metric talk. Can I design in inches and all will work fine?
    2. Can anyone recommend a food grade or nearly food grade flexible filament? Think at least as flexible as a store bought ice cube tray, preferably more flexible. Color is not an issue.
    3. If the filament manufacturers watch this board, I recommend handing out "flexibility samples" say 1x2 inches. A feel is worth 1000 words. Please pass them the suggestion.

  2. #2
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    I would not recommend printing flexible material on an ender 3 v2, it is not direct drive. Furthermore, even though some filaments might be considered food grade, it is nearly impossible to 3D print them in a way that is food safe. First off, the brass nozzle is not food safe. Secondly, FDM printing works by melting layers of plastic on top of each other, and bacteria builds in those layer lines and is impossible to wash out. You can combat this by sanding and coating in resin, but that is not an option for TPU filaments. If you are looking for high quality filaments, I would recommend looking at Zortrax.


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