Best downloading and printing, valid for all normal pages:
Paper size: A4 (210 x 297 mm.)
Top and bottom margins 20 mm.
Left and right margins 15 mm.
Remarks: Some drawings will require two pages but only one of these is
important.
It is necessary to minimize all the borders of the page before to print a
drawing.
If it is indicated, drawings need to be printed whit A3 size or more.