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Ultimaker Community of 3D Printing Experts


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  1. @geert_2: The 3D-printed parts do not have to be air tight, or even water tight. (It might even be beneficial that they are not, so all the air can escape from the 3D-parts.) They just have to be firm enough to keep the 'kathodes' from touching the walls of the vacuumbag. To clarify I added a JPG with a picture of other (round) parts packed in the same kind of bag that I had in mind for the kathodes. So it is not the 3D-printed part that has to keep the 'kathodes' under vacuum. (From your comment I understand you might think this.) The 'kathodes' are packed now in the same man
  2. Hi, I'm thinking about 3D-printing a mold for containing 'kathodes'. These kathodes I want store under vacuum in a bag. Th kathodes should not touch the walls of the bag, and that's what the mold is for. I'm looking for an inert material that does not degas, so a plastic with no plastisizers might do well. What is the best material to use? Our mechanical department uses PLA. Would that be OK or better to use something else? Thanks! kind regards Jan Veenstra
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