A four-part key and lock I developed for my mother and her VBSS. All the key parts screw together and the skeleton portion is held together with the tip using 4 glued in neodymium magnets.
Printer:
Tevo Blackwidow
Rafts:
Doesn't Matter
Supports:
Yes
Resolution:
.2
Infill:
20
Notes:
Do not use supports on the socket piece as it will bind up the screw.
The Heart and Skeleton portion are not oriented correctly in the .stl they should be lying flat.