How does Liang Oracle Bone Inscriptions copy fonts?

1. Carve the Oracle Bone Inscriptions of the beam directly on the bone.

2. Make an artificial composition with resin and bone powder, and then carve the Oracle Bone Inscriptions of the beam on it. This process requires at least several superb skills such as sculpture, calligraphy, carving, and making old. This piece of Liang Jiagu, which is completely copied in proportion to the real thing, can satisfy the desire of ordinary people to watch Liang Oracle Bone Inscriptions.