TPU and small nozzles

Has anyone tried printing TPU with a .2 or .25mm nozzle? I have a part that needs a vein inside that’s only going to be 1/2mm wide at one point and it has to reproduce in the print properly without gaps I’m going to try my .4 mm nozzles but I have some .2’s too, just wondered if anyon has any experience in this

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interesting. seems like it should work and he printed it colder too

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