Thnx BigBen
No soldering. The baseplate is copper. The rest of the layers are plastic.
I'm going to round the nozzle edges to minimize flowrestriction. And also, A 90 degre bend for the water to flow past will make som unwanted turbulence meking the flow unpredictable.
As U can se in the pics I've updated the design after The first time U gave me tips.
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