The flow of the ink in Rapidograph pens and Rotring pens is controlled through a needle type tube to create a fine definite line. The line produced is even and consistent and nibs of different thickness and grades can be obtained. These pens are used for very accurate drawings and are generally used by professionals such as Architects and Designers. Drawings are usually done to scale and are precise working drawings.
PEN PROJECT: KITCHEN PLAN
This is just the kind of project that, traditionally, the rotring pen has been used for. There are now software packages available that enable you to produce computer-generated plans, but the point of this exercise is to get you to understand the characteristics of a pen that gives a controlled flow of ink through a needle point.
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