Figure C Dovetail Jig
Figure D Seat Template
* Distance between guide boards equals router base width.
5 Rout the curve in the seat rails and spreaders using a template. Center the template on the rail and secure it with double-sided tape. Climb-cut the last portion of the curve first to prevent tearout.
13. Glue the bench frame in stages, using a waerproof glue, such as Titebond II or III. Assemble the legs, seat rails and lower rails first to create an end assembly. Then join the end assemblies with the long rails (Photo 6).
14. Determine the exact length of the seat spreader (D) by measuring the distance between the long rails where they join the legs and adding the length of each dovetail. Cut the spreaders to length. Measuring near the legs rather than in the dovetail grooves eliminates measuring any slight bow in the long rails.
15. Measure and cut the brace (F) to length.
16. Route the tails of the dovetails on the seat spreaders and on the brace (Photo 7). Run a few test cuts on scrap lumber to get the perfect fit.
17. Use a handsaw to notch each tail so they are about 1/8 in. shorter than the sockets.
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