You don’t need industrial-sized machinery to plane large pieces of wood. A full-size router with a 1/2-in. collet, a large-diameter bit and a simple jig will do the trick. The process will take a little longer than it would with a big machine, but the results will be just as good.
Figure A: Platform
Figure B: Gantry
Bit for Planing
You’ll need a large-diameter router bit to speed the process along. If you own a wood router and a collection of bits, you might already have what you need. The bit doesn’t need to be purpose-made for planing. It just needs to cut a flat surface. I used the bit shown at left that came with a door-making kit.
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