Another instance of MakerBot trying to patent things they didn't invent (plus.google.com)

The audacity is impressive if nothing else. Here's a car-crash of an article from 3dPrint about filament switching.

"MakerBot’s Unknown Invention is Uncovered: A 3D printer that switches build materials midprint"

http://3dprint.com/3187/makerbot-3d-printer-invention/

If I didn't know better I'd take it as satire.