Fig. 3From: Augmented reality-guided periacetabular osteotomy—proof of conceptSuperimposition of the 3D surgical plan of the PAO onto the sawbone pelvis. During the intervention, the surgeon can adjust the transparency of the 3D holograms to simultaneously see the chisel. Numbers 1 to 4 show the four positions of the chisel to perform the complex round ischial OTBack to article page