A client of mine (another Luthier) brought me this board today to make a Fender-like flat-headstock bass neck out of, for a customer of his. I'm milling the board to size and installing one of my truss rods in it. The customer ordered the neck to be made from quartersawn maple because, as everyone knows, necks made from quartersawn maple are so much more stable. Right? So, my client ordered this plank of expensive, top-grade quartersawn maple from a good reputable supplier. It's a beautiful board, hardly any little flaws, and nearly perfect quartersawn cut. But look at how it's twisted: This is a clear example of why I don't like to build one-piece quartersawn necks. Theoretically, if a quartersawn board moves, it bends sideways. But in reality, if it has some internal stresses or uneven drying, it will twist like this. Even this beautiful board, thoroughly dried and with nearly perfect vertical grain, developed a nasty twist. If the rings had been less than perfect, at some angle from vertical, the twist would be even greater. And the problem is that twist can't be corrected with the truss rod. In comparison, if a flatsawn board decides to move, it will usually curve upwards. If the neck is built so that the rings are cupped upwards and aligned evenly down the centerline of the neck, then it will bow forwards evenly, with no twist. The truss rod can handle that. Likewise, if you are building a multi-laminate neck, that's why it's important how you cut and align the rings on the strips. Symmetrical as possible side-to-side, straight down the length, and angle cupped upwards. That's how you make sure that any movement will be straight up and down, with no twist. Anyway, I milled this board down to flat, cutting away the twist. We're building a neck out of it. But, it's a risk. It appears to be dry and stable here and now. But if there's any more movement, that's how it's going to move. It will twist. That's why I don't build any of my bass necks one-piece quartersawn construction.