New Iron for the Veritas Plow Plane

I've recently been working on my old woodie plow plane and it got me thinking about the Veritas plow. When I bought it, I got a 1/4" and a 3/8" iron with it. But it seems most of the grooves I make these days are small. I absolutely love using the wooden plow, but the irons are a little funky. None of them are the nominal size - they're typically off by a bit (some more than others). For example, the 1/8" iron (0.125") measures 0.157". That's almost 22% over nominal. But the 1/4" iron for the Veritas is spot on.Here's the Veritas plow planeAnd here's its 1/4" ironAnyway, I thought I'd make a new 3/16" iron for the Veritas, and maybe later I'll make a 1/8" iron. Their irons are 1/8" thick and, as luck would have it, I have some 1/8" O-1 tool steel. So I got out the old hack saw and cut a blank to just over 1/4" wide and just over 3" long.Sawed it out to just over 1/4" wideThe blank filed to 1/4" wide next to the factory 1/4" ironNext was to file away 1/16" of metal in the lower 3/4" to…