Syringe-vial spacer
thingiverse
A removable clipon spacer to effectively empty entire vial with a syringe. This way the needle will not penetrate so deep and tip is near bottom to suck up all the liquid. -This one is 24mm but the length needs to be adapted to the needle length and vial seal thickness for best result. may also need to be enlarged depending on needle gauge/diameter.
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