Verschillende manieren van technisch tekenen
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Explosietekening

Door Leonardo da Vinci - http://vinci.ru
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Opengewerkte tekening

Door Wappen-Reederei GmbH & Co. KG; Johannisbollwerk 20; 20459 Hamburg - Schmidt-Ohm & Partner GmbH, Hamburg, CC BY-SA 2.0 de
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Amerikaanse projectie


Thanks to Samuel Z.
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