My (second-hand, from a junk shop) Rapier #43 plough plane didn't come with any blades. I've been meaning to make some for it for a long time but I finally got round to it yesterday. I've used it quite a bit in the past and it's a lovely little plane, but I've always just relied on my (home-made out of of gauge plate) blades for the #45, which are quite long (and have a notch for the depth adjuster). They work fine, but the protruding blade is a little uncomfortable in the hand:
Following a thread from
@derekcohen I thought I'd try making some blades the lazy way: out of high speed steel instead of gauge plate. Doing so means no heat treatment: just grinding them to shape. Time will tell how they compare to carbon steel blades (from what I've read, high speed steel isn't that great with < 45° bevel angles) but they won't get the same amount of use as a proper plane blade so I'm not too concerned.
I've made them in 3 mm, 4 mm, 5 mm (ish) and 6 mm widths, all 3 mm thick and all 70 mm long:
I say "ish" for the 5 mm one because they were all made from ready-sized (but much longer) blanks. The 3 mm, 4 mm and 6 mm ones were pretty close to the nominal dimension, but the 5 mm blank was only 4.9 mm wide. I'm sure that's close enough for woodwork (I can always plane the wood going into the groove down a little to get it to fit).
I also 3D-printed a simple little case for them:
"Why now?" I hear none of you crying out. Well, there's a simple reason for that. I was loading up the travel toolchest yesterday and it occurred to me that it would be interesting to see if the plough plane would fit into one of the unallocated pockets in one of the drawers. I had to fully dismantle it (including removing the depth stop), but it fits remarkably snuggly (with the blade case sitting in an Altoids tin that I take with me for odds and sods):
I don't really need a plough plane in the kit (I've got the router plane with its fence) but a plough plane will do a much better job of, well, ploughing. It might also mean I can, at some point in the future, use the space currently allocated to the router plane fence for something else: that's quite a deep pocket (the fence stands upright in the router plane drawer) so the space could be quite useful.