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SECTION 4
Types of Material
Commercial Pattern Paper
Bristol Board (Buff or White)
Art Board (Buff or White)
Heavyweight Bond Paper
Mylar
Diazo Transparencies
Photographic Negatives
Tracing Paper
Felt Pens
Plexiglas
0
Drawing Materials
Remarks
Use black India ink or (H or HB) firmly drawn pencil.
Ideal material for durability, dimensional stability and
contrast.
Excellent contrast. Likely to absorb moisture.
Similar to Bristol Board. Thickness may require
refocusing the tracing eye.
Similar to Bristol Board. Usually most popular to one-
off patterns.
Excellent dimensional stability, durable, requires a
white sheet behind it. Tendency to curl requires a
means to maintain uniform contact with backing
sheet/tracing table to prevent an out of focus
condition.
Reflect infrared and will require a special lens. Good
dimensional stability.
Not recommended.
White backing sheet required. Changes size with
moisture. Not recommended.
Some felt-tipped pens reflect infrared. May require a
special lens on the tracing head.
It is used as a protective cover and keep patterns flat.
Susceptible to pitting from cutting splatter. It should
be used with caution.
Operation
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