The Complete Book of Drawing Techniques

(Darren Dugan) #1

58


TRIMETRIC PROJECTIONS


Trimetric projections are very similar to
isometric projections and are used for
similar reasons. The difference being that
the trimetric projection can present different
orientations of a box or object on the same
picture plane. Therefore, what we have are
different degrees of orientation. This type of
drawing is very useful as a diagrammatic
drawing that is used to help you assemble or
even take apart a piece of furniture or
machinery. One usually sees these types of
drawings in car manuals.


THE TRIMETRIC SYSTEM IN USE


Industrial designers use the trimetric system
to ‘crate’ a form; that is, to put it in a box. The
shape of the object is drawn on the front face
of the box and then the form of the shape is
projected back into the ‘crate’. By encasing
volume and form in this way, designers can
visualise how their ideas will appear in
reality.


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