Parametric micro sprinkler

I made this for a very specific purpose, but since it's parametric I thought it might have a broader use so I'm passing it on to the community.

This is a customisable mini sprinkler for irrigation systems. It allows you to change the number of nozzles, their size and spread as well as adjust the size of the connectors to suit different water lines and specify whether the sprinkler should be in-line or and end-stop.

The default values provided in the openSCAD file produce the smallest sprin