How to Origami crowding butterfiles

Instructions for how to make Crowding Butterflies, an origami tessellation design by Shuzo Fujimoto. You can download the crease pattern with instructions for the pre-creasing part of this video from www.marigami.com. The pre-creasing is easy so this video moves quickly through that part. Visually seeing how the model collapses and finishes up should be helpful for anyone trying to fold this model.