Even though the highest banded is trivial at 115, the farther above a trivial you are, the higher your success rate. If you plan to make banded to sell, this is nothing to scoff at, given the way large and small banded molds tend to be fairly spread out from the forges in the areas where they would find a use.
Less failures = less money wasted on buying extra materials / running back for the mold / sheet metal that you need to try and make again. (Sheet metal vendors back for around 1/5 of the cost it took to buy it, so buying extra is just as annoying when making for profit)
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