Hackaday Prize Entry: The Strength Of 3D Printed Parts
[Sam Barrett] is doing something that is sorely needed. He’s doing real materials research on FDM parts.
There’s nothing wrong with the rough experiments like hanging a 1 L bottle of water from the end of a rectangular test print to compare strengths. We also have our rules-of-thumb, like expecting the print to perform at 30% of injection molded strength. But these experiments are primitive and the guidelines are based on hearsay. Like early metallurgy or engineering; 3D printing is full of made-up stuff.
What [Sam] has done here is really amazing. He’s produced a model of a printed ABS …read more
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