Shopsmith Jig Saw
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Pg. 1-4, Pg 5-8, Pg 9-12, Pg 13-16
Patterns and Layout
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Figure 16-3. Illustrations from magazines, posters, calendars, or photographs can be rubber cemented directly to the workpiece. |
Original designs can be drawn full-size either on the stock or on paper that can be attached to the work with rubber cement.
A popular way to do jigsaw projects is shown in Figure 16-3. An illustration taken from a magazine, poster, calendar, or even a photograph is rubber cemented to a workpiece and cut out on the jigsaw.
The squares method, shown in Figure 16-4, is often used to duplicate a drawing, plan, or illustration in a larger or smaller size.
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Figure 16-4. The squares method is commonly used to enlarge or reduce an illustration for jigsawing. Click on image for larger view. |
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Figure 16-5. You can reduce waste and speed up production if you pre-plan cuts. Click on image for larger view. |
Many woodworkers who do a lot of jigsaw projects avoid the layout involved in the squares method by using a pantograph. This is a special, adjustable tool that is hinged in such a fashion that a tracer, used to follow the pattern, moves a marker that duplicates the pattern.
More methods of work layout are shown in Figure 16-5. Some of the ideas make it possible, through joining, to form large items by using cutoffs that would otherwise be wasted. Two identical pieces can be formed by making one cut if you plan the layout carefully. When many parts are cut from the same strip or panel, it's good practice to first make all the patterns so they can be positioned on the work for best grain patterns and least amount of waste.
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Figure 16-6. Typical jigsaw patterns for shelf support components. Click on image for larger view. |
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Figure 16-7. A French curve can be very useful when planning scrollwork designs. |
Figure 16-6 shows some pattern ideas that can be used, for example, as shelf support components. When duplicating these or when putting your own ideas on paper, a French curve (Figure 16-7) can be very helpful.
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