Just wondering is there a library within TikZ that allows easy(!) drawing of the line drawings used in Patent applications (image from patent WO2011/062360 random image selected from random patent) I know this can be done in TikZ but mainly looking for the font used for numbering the arrows and the style of the arrows, some drawings will have the arrow as straight segments with a kink in it, some have a "hand drawn" numbers. I suppose the style is old-style drafting I learned in my 2nd level school (high-school) days.
closed as not a real question by Joseph Wright♦ Nov 5 '11 at 20:55
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