Untitled - Wood Tools

TIPS FROMTHE
loy,ng oul on
OGEE PROFILE
A When loying
oui the ogee
profile for the
cothedrol orch
on this potting
bench, the
trick is to use
two templotes.
This will ensure
o smooth curve.
A cathedral arch, identified by its ogee profile (a double
curve in the shape of an elongated'S') is often used as a
design element for cabinet doors, nrirror frames, and headboards.
It's also a distinctive feature on the back panel of
our potting bench fuage 58).For appearance, the arch
must be symmetrical. Therein lies the challenge -
laying out a perfect ogee profile.
Two Templates -To do that, I used two templates:
one for the center of the arch and one for
the sides (see Photo at right). Since the curve is symmetrical,
the side template is used to lay out each
half of the arch.
A template doesn't require any special material.
I used 1/"1" plywood, but hardboard or even posterboard
would also work.The shape of the template
is laid out using a narrow strip of l/a" plylvood as a
compass (Making aTbmplate). Note that the distance
berween the pivot point of the compass (a nail) and the
pencil is equal to the radius of the template. (The back
panel of the bench requires a 20"-radius template for the
top and a 30"-radius template for the side.)
Lay Out Arch - It's easy to lay out the arch on the
back panel.Align the center template with the peak of
the arch, clamp it in place, and trace around tt (Illustration,
belou,).For the sides, lay out a line indicating the "low"
point of the arch. Then align the side template with
this mark, butt it against the center template, and trace
the arc (Photo, above right).kepeat this process on the
other side of the panel.Then remove the templates and
"blend" the lines together to produce a smooth curve.
ATwo templotes moke it eosy to loy out o cothedrol
orch. Troce oround the templotes, then "blend" the
lines together to form o smooth, symmetricol curve.
IAYING OUT THE ARCH
Center lhie templbte on
width ol panel sci it ali1no
with peak of arah, then
alafip it in plaae anA
lraae ihe arc
1,4
lHIR,D:
Removetemplales aind
blenA lineE tit produae ai
'i m o olh, 5 - ah)ped curve
Ali1nlhia templale wllh i
low point of arah,buttit Againat
aeiter templale, then traoe ara.
9abk
taiid
woRKBENCH D JUNE 2004