@mecanicus : maybe this image will help explain it. Upper part of image (A) shows the animation names in the action editor in Blender - no hyphen "-". If those names are used then each animated object - the sphere and the cube - will have two animations assigned to them like this: "ranges":[{"name":"CubeAction","from":0,"to":60},{"name":"SphereAction","from":70,"to":130}] However, if you add the hyphen as shown in the image (B) then each object will only have the animation assigned t