1. A method for a computer system including a processor and a memory comprises: receiving a first model of an animation asset from a first user; creating a first sub-directory in the memory associated with a first version of the animation asset; storing the first model of the animation asset in the first sub-directory in the memory; providing an operating system symbolic link under direction of the processor between a named version of the animation asset to the first sub-directory to the first user, wherein a name of the named version is specified by the first user; providing an operating system symbolic link under direction of the processor between a default version of the animation asset and the first sub-directory to the first user, thereafter receiving a second model of the animation asset; creating a second sub-directory in the memory associated with a second version of the animation asset; storing the second model of the animation asset in the second sub-directory in the memory; providing a revised operating system symbolic link under direction of the processor between the default version of the animation asset and the second sub-directory to the first user, thereafter providing the first model of the animation asset from the first sub-directory in the memory in response to a specification of the operating system symbolic link of the named version of the animation asset by the first user; and providing the second model of the animation asset from the second sub-directory in the memory in response to a specification of the revised operating system symbolic link of the default version of the animation asset by the first user.