They were in all 16 small trust nozzles to create, each one of them were created from the sanded point of some round toothpicks.
Each nozzles are about 0.5mm long.
A small pyramid pattern was sanded on the end of a match stick.
Then 3 holes were drill to insert the nozzles points. When the 3 points were glue dried the end part was cut to install the fourth nozzle.
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