CFP Web3D: “A Shared 3D Workspace” Virtual Conference (web3d.siggraph.org)

The goal of the conference is to share innovative and creative ideas about web-based interactive 3D applications, including content creation, 3D printing, fabrication, publishing technologies, web tools, annotation, VR/AR, rendering, and many others. This year the conference will be held in full virtual mode, next November 8-12, 2021. 

Here the important dates:

July 30 submission deadline
August 2 bidding deadline 
August 31 reviews assignment
September 1 reviews due