Geared "Old School" Heart, Hand Crank Edition

You now can convert your original heart on a new one by just submitting it to a small surgery.
In order to make it work with the old original Emmet heart I made this remix from thing 253934.

Changes:

• To enable an easy two color design the top box plate was separated from the base screw heart.
• The base screw heart is compliant with the original heart.
• Added a washer stl. This avoids the heart center lifts up and then loose contact with the small gear.