Registration is FREE. Live brodcast.The 2021 theme will be “A Shared 3D Workspace”, to emphasize the increasingly global scope and the wide impact of working together online, that has been the staple of this year. The suddenly switch to remote teaching/working/interacting raised many urgent requests for new tools, systems, and paradigms. These new needs touched also the 3D world, prompting the Web3D community to foster and support the increasing development and use of 3D content in a shared online environment.