Page 28 - Engineering drawing from first principles using AutoCAD

First steps 21

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Figure 1.19

width from pencil wear which the manual draughtsman needed to overcome to produce
quality work. Professional ink tracings gave a much-improved finish but modifications to
ink and pencil drawings often presented problems on the drawing surface. Only two line
thicknesses are required by current British Standards: thick and thin in the ratio of 2:1.
The original illustrations for this book have been drawn with a polyline width of O.4mm
which is adequate to emphasise the thick outlines.

I use ordinary 80gsm budget A4 copier paper on a Canon BJ-230 inkjet printer.