Maple Story - Throwing Stars

As a motivation for learning Solidwork 3D drawing, I decided to draw some anime or game weapon.
Adn the first thought came to my mind was the MMORPG Maple Story.

It was my favorite game during my study time.
And the class that I felt the coolest was the assassin, who used claws too throw throwing stars at the enemies.

 

And thus, I tried to draw all the throwing stars available in the game.
As I drew shuriken before, and the game graphic was much simpler (cute 2D graphic).
I thought it was a suitable challenge for beginners.

Yet, I was too naive...

Naruto - Shuriken

 

Real - Shuriken

Real - Katana

Real - Kunai