ribbed tubing for makin a tpu based spring
thingiverse
I made this part for a worcolleague which goot a pcb holder 3d printed - he was misssing a spring material to put on one side- I create this part sadly I cannot recall which model he used. it was printed in tpu on a micro 3d printer- I will try soon on a prusa mini- but on the same base One can recreate those origami like inflating bellows_ or toothpaste tube stay tune I will create it soon- I have designed a double tesla valve for such a project in the past for the site instructables.com- this will allow to blow air in one direction only! https://www.instructables.com/Origami-Pump-homemade/
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