I find Origamic Architecture fascinating and presented some time ago already the Origamic Architecture pencil holder, now I found more (although mostly very simple) Origami Architecture patterns which can easily be used for little greeting cards.
I could surf the internet for hours and check – partly really spectacular – Origamic Architecture ;-)
Links:
24 Free Origami Architecture Patterns
Wikipedia entry: Origamic Architecture
Google image search result for ‘Origamic Architecture’
Google search result for ‘Origamic Architecture’
Here at unikatissima:
Origamic Architecture Pencil Holder