SUTD Rolls Out Singapore’s Most Complex 3D Bus Ads 15 Jan 2024 SUTD's new 3D bus advertisements, which are being rolled out on local buses as part of a new “School for Innovators” advertising campaign, are the most complex of all bus ads to-date. In all, it involved a total of about 600 man-hours of conceptualisation, design and production to bring the idea to life. prev 1 2