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There are designs for hundreds of specialty jigs that can
be found in books, trade magazines, and the internet.
These types of jigs can greatly improve the safety and
consistentcy of cuts. They are particularly useful during
production runs when dozens or hundreds of the same
type of cut need to be made.
The narrow-rip auxiliarly fence and push block system
shown in this section is an example of a specialty jig that
can be made to increase the safety of very narrow rip
cuts.
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Materials for Narrow-Rip Push Block & Auxiliary Fence
Hardwood
3
⁄4" x 3" x Length of Fence .......................1
Plywood
1
⁄2" x 5
1
/4" x Length of Fence .....................1
Plywood
1
⁄2" x 10" x 5"-9" .....................................1
Plywood
1
⁄2" x 15" x 5
3
⁄8" ......................................1
Wood Screws #8 x 1
1
/4" ............................ As Needed
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(% Cut a piece of
1
⁄2" thick plywood 5
1
⁄4" wide and as
long as your table saw fence; cut a piece of
3
⁄4"
thick hardwood 3" wide and as long as your table
saw fence, as shown in =`^li\/).
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)% Pre-drill and countersink eight pilot holes
3
⁄8" from
the bottom of the 3" wide board, as shown in =`^li\
83, then fasten the 5
1
⁄4" and 3" wide boards with
eight #8 x 1
1
⁄4" wood screws.
+% Using the
1
⁄2" material you used in the previous
steps, cut out pieces for the push block per the
dimensions shown in =`^li\/+; for the handle, cut
a piece 10" long by 5"–9" high and shape it as desired
to fit in your hand.
,% Attach the handle to the base with #8 x 1
1
⁄4" wood
screws, attach the lip to the base with cyanoacrylate
type wood glue.
3"
Length
of Fence
Length
of Fence
5
1
⁄4"
3
⁄4"
Hardwood
1
⁄2"
Plywood
=`^li\/)% Auxiliary fence dimensions.
=`^li\83%Location of pilot holes.
1
⁄2" Plywood
Completed
Fence
Pilot Holes
3
⁄4" Hardwood
5
5
⁄8"
15"
5
1
⁄4"
12
1
⁄2"
2
1
⁄2"
3
⁄8"
Lip
Handle
3
⁄8"
3
⁄8"
2
1
⁄2"
=`^li\/+% Push block dimensions and
construction.