Based on Japanese origami, Acme Made's Orikata for iPad 2 ($50) uses a series of folds in the front cover and tuck-in compartments on the back to transform half of the case design into a stand. The right corners each fold in two different places to fit into the rear cover, and from there the case can be used for typing or as a very steep-angled viewing stand. Orikata is made of black faux leather, and has red stitching that really stands out. All…