An open standard that is very capable (but cannot find if it can do streaming over http) is https://github.com/KhronosGroup/glTF https://github.com/KhronosGroup

An open standard that is very capable (but cannot find if it can do streaming over http) is https://github.com/KhronosGroup/glTF https://github.com/KhronosGroup/glTF It still misses some important things in the area of shading and animation for full transfer of all qualities you find in a modern 3d creation app like Blender.