Preventing slip during glueup

■ When edge-gluing multiple strips into a thick slab, the strips tend to slip around when they're clamped. (Because of the glue.) That's the problem I faced when gluing up the seat of the Three-Leg Stool on page 16.

So I came up with a way to keep the strips in alignment during glue-up. The trick involves cutting the pieces extra long to begin with, then using splines on the ends for alignment roitslot. Start by dry as^ sembling all the strips into a slab, see Fig. 1. (The pieces won't slip if there's no glue.)

Next cut a slot across both ends of the slab using a slot cutter in the router table. (A handheld router works too.) Note: It doesn't matter if the slot isn't exactly centered on the ends.

add spline. Then glue up the

THIN

SPUNE GLUED IN EACH SLOT KEEPS STRIPS IN ALIGNMENT DURING GL'JE-UP

THIN

SPUNE GLUED IN EACH SLOT KEEPS STRIPS IN ALIGNMENT DURING GL'JE-UP

slab with a spline in each slot, see Fig. 2.

ctrrTO length. After the glue has dried between the strips, cut the slab to the desired length. By cutting off both ends, the splines — and also the slots — will be removed, see Fig. 3.

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