You can join Sketchfab for free!
With a Basic membership, you can upload an unlimited number of public models, up to 50 MB each. You can also enjoy unlimited views and embeds. You're allowed 5 Annotations per model, and you can use basic customization of the embedded Sketchfab viewer.
Our Basic plan is for hobbyists and non-commercial use. Companies using Sketchfab are required to subscribe to our Premium plan or above. If you are a legal entity using Sketchfab, and your annual gross revenues or total funding exceeds US $100,000 you may not use our Basic or Pro plans.
See the Plans page for more details.