The audacity is impressive if nothing else. Here's a car-crash of an article from 3dPrint about filament switching.<p><i>"MakerBot’s Unknown Invention is Uncovered: A 3D printer that switches build materials midprint"</i><p><a href="http://3dprint.com/3187/makerbot-3d-printer-invention/" rel="nofollow">http://3dprint.com/3187/makerbot-3d-printer-invention/</a><p>If I didn't know better I'd take it as satire.