Photos: JPEG, PNG or WebP, up to 10 MB. 360° images: JPEG, PNG or WebP, up to 15 MB; use a true 2:1 panorama. School portal uploads can resize sources up to 8192 × 4096 to 4096 × 2048. Models: self-contained GLB, up to 20 MB. Video: MP4 or WebM, up to 20 MB; 1080p H.264 MP4 is the first format to try for mixed devices. Audio: up to 20 MB. Written stories: 20–5,000 characters.
Students can keep up to 12 content items per experience. Drafts are tied to the class session and browser’s private work key; copying a class code to another device does not transfer a draft.
Guidance checked 19 October 2026. External AI tools are separate services; availability, plans and device support can change.