Build a capable waterjet cutter from a commercial pressure washer.

Sources:
Cutting head https://www.accustream.com/waterjetp...

Orifice https://www.accustream.com/waterjetp...

Mixing tube (nozzle) https://www.accustream.com/waterjetp...

Pressure washer https://www.amazon.com/ExcellEPW2123...

Pressure washer hose coupling (for brazing into cutting head) https://www.amazon.com/gp/product/B01...

eBay CNC milling (eg) https://www.ebay.com/itm/USBCNCROUT...

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