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Water jet cutting (not laser due to potential dangers of reflection) - most of the laser cutters that we talked with did not want to cut it because of this, but a few of the manufacturers in the US that EMS have previously worked with would laser cut it for us, though the quotes received from them were on the order of $1500-$3000 - way out of our price range.
Once we get the water jet parts back, we will need to bend the voltage taps (by hand) and bend the series connection tabs using a jig to achieve a precise radius - the jig will need to bend the material further than the end angle to account for bend relaxation.