In Aspose.3D, object animation is actually key-frame animation that animates on properties. To animate properties, you need a CurveMapping instance which maps components of a property to different curves, for example, a Vector3 property can have 3 components X/Y/Z, which will set up three channels in CurveMapping, every channel can have a set of Curves.... Linear }, }); // Save 3D scene in the supported file...file formats scene . Save ( "PropertyToDocument.fbx" ); Setup...