Quantity   Component name
1 × Bench Power Supply 24 volts at least 1 amp
1 × 20 litre water jug
1 × Salt I stole about 1 kg from the water softener
1 × Plastic blocks
1 × Workpiece Needs a pre-existing hole
1 × Flexible plastic tube Siphons water from the 20 litre jug to the jig
1 × 1/4 inch dia copper tube about 4 inches long
1 × Gasket material Thick rubber tape didn't work very well
1 × Nuts and bolts to hold the jig together
1 × Pail to collect used electrolyte
1 × Wood, clamps, etc. to hold the jig and workpiece over the pail