But openscad doesn't do sensible fillets or chamfers, so it's almost useless for most real parts. Trivial in freecad (unless your part is wonky enough that it becomes impossible to calculate).
Cats are also extremely sensitive to smells (and not the kind that humans can smell). Often it's just the location, especially if it's somewhere where some ghost of food long since expired lingers.
But openscad doesn't do sensible fillets or chamfers, so it's almost useless for most real parts. Trivial in freecad (unless your part is wonky enough that it becomes impossible to calculate).