My wife is a phlebotomist. She requested a way to strap the blood tubes on her arm and this is what I came up with. She used it for the first time last night and was in love with it.
this post was submitted on 24 Jul 2023
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I think it’s great, and PETg is a fine choice. I’d be curious what TPU would be like (easier to deflect and a little grippy…but maybe too grippy).
Another possibility would be to make a mold and run it with a stiff silicone. There’s a trick of filling the mold with very warm beeswax and then dumping the excess wax out that fills all the pores before you pour in the silicone. I’m just thinking out loud of a way to easily make this heat sterilizable or autoclavable as well as easily reproducible.
Best of luck - it’s great to see practical prints!!