A teacher asked me if it was possible to 3Dprint on leather and that it would stick. The theorie behind this question was that if we can 3Dprint prosthetic directly on the skin of people we may find some benefits of it instead of making the regular prosthetics we know today. So i got a 3.5 mm thick piece of leather and put that in my craftbot+ on the plate where my printbed would normally rest on. then i taped a thermometer on the leather to measure the heat that goes trough the leather. which is if you set the printbed to 110 degrees celsius the leather is 65 degrees celsius. sadly pla did not stick to the leather while printing but tpu98A does stick to the leather. and it is a flexible filament so it flexes a bit with the leather. i printed two objects on the leather. one finished successfully and the other unfinished one was the first test with tpu98A which i canceled to do the other print. after the leather cooled down the prints kept sticking so it works in practice but i have my doubts about 3Dprinting directly on human living skin because the material is 245 degrees Celsius so it will heavily burn your skin. which does not sound so improving to me. also the skin does not have a hard undersurface so the skin is to unstable to print something directly on it. so this idea has potential but there are many hurdes to overkom if people really want to use this method.
material link: http://www.eyeon3d.nl/product/tpu98a-filaments/
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