A very cool looking, but in reality quite exotic " sword breaker" dagger from the late XVI - early XVII century.
This dagger is used in the left hand, the main weapon is a rapier in right hand. Teeth used to trap your opponent's blade.
Overall lenght ~420 mm. ,blade lenght ~270 mm .
The scabbard is designed to be covered with thin(artificial) leather
There is a 3 mm hole in the blade for a metal rod .

FlashForge

Adventurer 5M

Yes

PLA