Fig. 9

3D printing and conservation treatment processes for the restoration of the stone Buddha statue. a 3D-printed outputs using photopolymerization. b UV hardening to enhance surface strength. c 3D-printed outputs of the four selected parts, including the head, surrounding area of the Baekho, and right ear and eye. d 3D printing output colored with acrylic painting to modify the surface texture and prevent yellowing. e The interfaces of the missing parts of the original stature strengthened using an ethyl silicate-based consolidant. f Joining of the missing parts of the statue using acrylic resin and cyanoacrylate instant adhesives