You might be surprised at how durable FDM parts can be if you know what you're doing, especially if you're willing to blow a some extra filament on making it so

You might be surprised at how durable FDM parts can be if you know what you're doing, especially if you're willing to blow a some extra filament on making it solid. Orient the layer lines perpendicular to the sheer forces and it can be stronger than the original molded part.