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Re: uksausage post# 37007

Tuesday, 09/01/2015 2:51:34 PM

Tuesday, September 01, 2015 2:51:34 PM

Post# of 81998
I'm inclined to think this is just hype…. not to say we won't eventually print many many different materials…. but this is just another of those college prototypes. This part tells me it's nothing to concern ourselves with:

enables MultiFab to monitor each layer of the print job so that errors can be self-corrected in real-time by compensating for the error in subsequent layers,

would not fly on a critical part (it leaves the error, and corrects on subsequent layers rather than predicting conditions that lead to an error before it happens…. which btw is why our "beyond 6Sigma" name is so fitting…;)) Like, imagine how many layers it takes to make a fuel nozzle. Were the machine to have a small, fractional error and merely try to "compensate" 10, 20, 50x in a build, that would 1) impact its tensile and yield strength, 2) probably create weird deformation patterns that would influence performance, and a lot of other problems/liabilities. This would be really cool for mixed-material DIY printers, maybe even good for someone doing custom collectables, shoes, whatever, as a small business, but after seeing my husband and his old college crew build a couple of 3D printers like this one for kicks, I'm convinced pretty much all the DIY- build-it-yourself plans get nowhere near the accuracy, are a PITA to calibrate, and even then don't always perform as they're supposed to. This might make objects that LOOK structurally sound, and for collectables, lampshades, jewelry, whathaveyou, it's not really critical that there be no flaws as long as you can't see them… but for the kind of stuff we're doing- it just wouldn't be the right tool for the job. IMO.

PS: Pretty sure this is yet another not-so-subtle Motley Fool dig at DDD SSYS- they've been playing those up and down for years, lol.
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