This is a replacement part for Transformers WFC Kingdom Core Class Optimus Prime.

It provides:

1.Increased foot articulation, making the figure more stable when standing.
2.Foldable toes for easier storage during transformation.
3.Filling the gaps in the thigh area when in vehicle mode.

Please note that the parts of this product are connected using a C-type retaining ring. Before purchasing, please ensure that your 3D printing material has high toughness and high strength.