Reply by harum

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Posted on Can this be done without an CNC?

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368 posts in 2090 days

#1 posted 12-18-2017 04:52 PM

Cut some plywood rectangles, then cut out
rectangles inside. Assuming you want to
cut the joints symmetrically you d position
these “windows” on a guide board in a way
that allows some lateral adjustment. Fuss
with the adjustment until you have the windows
spaced correctly so two routed parts will
match. Use as many windows as you need.

- Loren

Thanks Loren! This is definitely an option. Would this work? First, cut strips of plywood of two widths, one width—top of tails, the other—bottom of tails; then glue the wider strips onto a frame using the narrower strips as spacers; then mark the boards using this template and pre-cut rough dadoes on table saw for easier routing. It may take some tweaking to get an acceptable fit.

Or, I could adapt the “box joint on the table saw” approach for routing: using a long guiding tail carefully positioned with respect to the dovetail bit for good fit.

-- "If you're not counting the ripples when throwing pebbles in the water, you're wasting your time."

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