[Origami] Isosceles right triangle model

Hi, Can you please tell me who created this model and what's its name?: https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-xaf1/v/t1.0-9/10325274_1119380458077931_2279331049175836542_n.jpg?oh=223c9581dce26b371dc93ed392ace869oe=55E8340D__gda__=1441632186_5e5d32b0cf47de947da9ac662cae6136 It's made

[Origami] Photos from Origami Bogota 2015

The 6th Origami Bogota convention just finished last night with David Brill as special guest. You can check the photos at: http://www.flickr.com/photos/georigami/sets/72157651918371403. -- Jorge Jaramillo