An experienced cabinet maker knows how a piece of timber will behave. A well dried, radially sawn panel will stay steady over the years even if quite unsupported. While another piece, with the moisture ripped out of it in the kiln and perhaps containing compression timber from a nearby limb, will clamp on your sawblade like vice as you saw it, and end up uselessly twisted. It’s our job to turn this understanding to practical effect. Again and again we come back to the wonderful stability and torsional rigidity of radially cut timber. The louvres in the articulated screen above …