i designed it for ams with 4 colors.
there are only 16 swaps cause the colors are only 2 layers on bottom and 2 at the top .
59mm long , 3,6mm fat.
9 keychains that costs 1 hour and 45 minutes and 25 total grams!
1 keychain for 10 grams and 45 minutes.
The author marked this model as their own original creation.