This is, I expect, primarily focused on an American market who love all that template stuff.
When I first started I bought a set of Marti Mitchel templates but used (some of) them only once as I found they were too fiddly to hold and cut around, a recipe for cut fingers and thumbs I believe.
There is nothing you cant do with a good ruler ...
As for this, I think I'll give it a swerve ... If I was/you are lucky enough to have a dedicated sewing room where you can leave stuff out it would be a different matter.
I have done these
block a day sewalongs and
had fun with them too but this one isn't floating my boat.
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