willsie01

Ah, that helps. And I'm assuming the curvature was still there when you glued up the box? If so, unlikely to be a humidity shrinkage...

The braces were clamped and glued to the soundboard in a dished jig. The curvature remained for quite a few months after the body was...

Don't waste your time trying to restore the doming to the top. You locked in the geometry when you glued on the bracing, and more so...

I’ll check it out.

There are inflatable bags used for lifting; e.g...

It’s more about learning a way of restoring the curvature rather than if it is ok flat. Because it’s there!

Most likely due to changes in relative humidity (RH), the spruce will shrink as the humidity decreases and later expand if the humidity...

I’m making an acoustic guitar. The sound board is designed to have a very slight curvature outward. Between sessions at the college it...