MF8 Crazy Octahedron replacement centers

MF8 crazy octahedron series has 6 puzzles and most of them differ from each other with just center pieces. There are 2 types of center pieces - 0 and 1. Both of them you can find in this thing.

Center pieces are screwed to a back part. It suits for centers of both types, but needs oriented properly (one side is for 0 center, another for 1 center).

Since the center pin is quite thin and easy to break it is important to make a reinforcement . For this purpose I designed a hole through the pi