Collin @ MAKE points us to this felt IC from the MAKE Flickr pool by Origamiwolf:

The various traced out parts are then scaled to the desired size, and borders then added for the seams. The chip is padded out with a rectangular foam block, and folded-up strips of aluminium foil are used to strengthen the legs. The next natural improvement would be to actually embed a real OP-07 within, and have conductive threads sewn into the various legs.