NEW DELHI : Ever since Chandralika Hazarika and Shivang Desai wrapped up the world’s first fully digital 3D virtual fashion show earlier this month, their phones haven’t stopped ringing. “We used to run after people to explain our work; now it’s the other way round," says Hazarika, who founded Bigthinx, a Bengaluru-based tech startup, with Desai in October.The co-founders, both in their 30s, have created a software that creates 3D avatars of models and garments, which are then rendered and animated based on actual product designs and measurements.The success of the fashion show, which was organized by Fashinnovation, a New York-based conference on innovation in the fashion industry and had lifelike models walking on the virtual runway, has.