This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/6K5nfqvS1z1

This design has multiple links:

Tinkercad:

Clock Tower Base: https://www.tinkercad.com/things/7zbwwMHGU5I

Clock Tower Structure: https://www.tinkercad.com/things/6K5nfqvS1z1

Clock Tower Mechanics: https://www.tinkercad.com/things/bNDwkqF2CWh

Thingiverse:

Clock Tower Base: https://www.thingiverse.com/thing:2708417

Clock Tower Structure: https://www.thingiverse.com/thing:2708433

Clock Tower Mechanics: https://www.thingiverse.com/thing:2708451

Moon: https://www.thingiverse.com/thing:578146

Blog Post about design: http://geekhaus.com/isci104_fall2017/2017/09/21/majoras-mask-clock-tower/