For more detail this asset from the Unity Asset Store: Click Here
This is a paid asset, but now you can download Catapult Kit for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Catapult Kit v1.0
Catapult Kit
Very Detailed Medieval Catapults. Great for game genre like Tower Defense, mmorpg, strategy etc. Wheels on cannon can be rotated individual, so you can animate it easy. and the same with the thrower arm, pivots are all set.
There are four types included, catapult with wheels, and for solid ground, and both types with extra armor for arrow defense etc.
* Low Poly (1760 Poly – 1879 Verts) (Catapult with wheels, and armor) * 2048×2048 Max Res (Resize if you like) * model is unwrapped and uvw textured.
Watch 360° Turntable
Enjoy
