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    Ultimaker 2 Extended +
  1. That was exactly the answer I needed. I knew I came to the right place. Thanks guys.
  2. I printed a replacement coffee pot lid with PLA. The threads are 2mm deep. After 3 or 4 uses (cycles of warm/cool from making/pouring coffee) the threads act as if they have been stripped out. To the point that the lid will no longer stay in. I have measured the diameter of the threads and find them within .1mm of spec. The lid is never tightened, not even "finger tight". It's just turned about half a turn till it stops, very gently. The water is heated to 200' F but is cooled (an unknown amount) as it passes through the coffee grounds before it reaches the lid. The pot is not heated. It's a thermos type. Can PLA shrink (further) after an object is used with the application of heat/cool cycles?
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