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Since a stretcher bar for
oil painting stretched is simply a frame, it
can be constructed in a variety of ways. The
differences in construction have to do with
how the corners are built. Commercially
available pre-fabricated stretcher bar for
oil painting stretcheds come in segments
with interlocking corners, which can be fit
together like puzzle pieces. You can build
your own corner supports using simple
woodworking techniques, however. The miter
joint is the most popular method of adhering
corners on a stretcher bar for oil painting
stretched, although butt joints are also
fine if used in conjunction with gussets.
Keys or small triangle wedges are inserted
in the joint after stretching the canvas to
give the canvas its final tension. When
fastening the canvas, pressure should be
distributed evenly around the stretcher bar
for oil painting stretched to minimize
warping due to unequal distribution of pull.
Unlike other types of frames, the corner
joints in stretcher bar for oil painting
stretcheds made of Chinese wood, Brazilian
wood and Indonesian woodare not glued or
fastened in any permanent way. This allows
the canvas to be retensioned over time, as
it has a natural tendency to stretch and sag
over time. In contrast, strainer bars
stretch canvas in a fixed (non-adjustable)
way. |