SIMPLE FILLETS Library

Fillets can be generated as follows:

Standard functions:

- cube_fillet_inside (generates internal fillets based on cube dimensions)
- cube_fillet_outside (generates external fillets based on cube dimensions)
- cylinder_fillet_inside (generates internal fillets based on cylinder radius)
- cylinder_fillet_outside (generates external fillets based on cylinder radius)

Internal functions: (not normally modified, but can be modified to change fillet shape etc.)

- linear_fillet (straight