This is a quick video of the properties of parts printed with the 2BEIGH3 using NYLON 6 as the build material. As you can see, the results are better than even I expected. My main concern was possible "de-lamination" and I find that it's easily controlled via temperature settings. The undercut example is a 0 to 90 degree radius and as you can see once I got beyond about 55 degrees, the threads started to part. The hollow tube is completely hollow as you can blow air through it. I've tested the bearing to 4000 rpm with little temp rise over 10 min. I made the IPhone case for my daughter.....and had to give it back after the video!
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