Also Known As: Screen-printing, Signs, Metal Etching, Casting,
Model Making
Principles: There are a number of methods employed by commercial
companies which can either be adapted, or lend themselves directly
to the development of tactile graphics.
What are Commercial Graphics?
Screen-Printing: a process used in the printing industry. A screen
or fine mesh is adapted to hold a negative image covering holes
in the mesh where print is not required. Ink is then pushed through
a screen onto the desired surface. This method has been adapted
to print resin instead of ink.
Signs: some commercial signage companies who developed braille
signs to meet legislation, have taken the next step to produce
tactile graphics. Usually moulded or shaped plastics, tactile
signs can also be produced in metals through casting or etching.
Model Making: there are some artists and organisations who can
produce models which can be used tactually. Wood, plastics and
metals can all be used to produce models which if designed carefully
can offer information such as scale, and relationships between
objects, which are difficult to convey through other methods.
There are other very specialist printers which have been adapted
to produce tactile materials.
Strong Points:
- Durable, some for outdoor use
- More information than other methods
- Usually tactile and coloured: universal design
- Mass-production is easy
Weak Points:
- Expensive
- Can be time-consuming to have produced
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