This doesn't detract from your main point, but there is a third alternative to fixing a purpose-made pencil sharpener vs buying a new one - use a knife. This i

This doesn't detract from your main point, but there is a third alternative to fixing a purpose-made pencil sharpener vs buying a new one - use a knife. This is what I did as a child whose family had no access to such luxuries. Of course, you can't bring this solution to school.