In addition to standard straight dowels, right-angle plastic dowels are available for reinforcing miter joints
Then hold the miter joint
together, making sure the trim pieces arc; held parallel to the door or window jambs, and check the fit.
The Frommia 660 is a two-sided miter saw for solid wood edges, capable of sawing two miter joints
in a single operating cycle.
1 WIDE WOOD CASINGS contract when humidity is low and open a gap on the inside of a miter joint
1 MITER joints
will be perfect because the saw was has built-in stops at 45 degrees for both left- and right-hand cuts.
5 CUT grooves across the miter joints
to house the thin wood "splines.
Give them a final sanding, then screw the base pieces on, using yellow glue on the miter joints
and other surfaces that meet.
A pair of notched "pinch blocks" puts clamp pressure right on the miter joint