Lee uses the Shopsmith biscuit joiner which attaches to the Shopsmith in drill-press
mode. This works fine for cutting the biscuit slots on the edges of the boards. He came
up with this clever means of cutting the face slots by drawing a reference line on the
face of the baffle and then clamping one of the the other pieces along that line to
act as a reference point.
I didn't fully appreciate the fact that beyond the basic tools such as routers, the
specific accessories vary from person to person. I have a circle-cutting attachment, but
Lee doesn't. Here's his clever solution to the problem of cutting the recesses for the
woofer and tweeter using a forstner bit. Note the neat way that the extension tables
are used to support the long workpiece. The Shopsmith rocks as a woodworking drill press!