1. A method for a computer system comprises: receiving a first model of an animation asset; storing the first model of the animation asset in a location associated with a first version of the animation asset; providing a symbolic link between a named version of the animation asset to the location associated with the first version of the animation asset, wherein a name of the named version is specified by a first user; thereafter receiving a second model of the animation asset; storing the second model of the animation asset in a location associated with a second version of the animation asset; providing the first model of the animation asset from the location associated with the first version of the animation asset in response to a specification of the named version of the animation asset by a second user; and providing the second model of the animation asset from the location associated with the second version of the animation asset in response to a specification of a default version of the animation asset by the second user.