The city of Archine, often known as the country of archery, is devoted exclusively to the production of projectile weapons and long-range military inventions. The largest bolt thrower in the world is still placed in front of the castle entrance as a representation of military superiority despite not having been used for 1000 years. A cannonball is thrown from standard catapults mounted around the castle's exterior walls. Simply explain how the ballista work, The two outside wheels are connected by a bowstring. Both of the outer wheels revolve when you draw back on the bowstring, increasing the force being transferred to the inner wheels' cables.
Personal project: 3-day work
Blender and photoshop