Fig. 1. DICOM volume data of Patellofemoral bones and volume rendering images.
Fig. 2. A shape of patellofemoral bone extracted in the 3D image
Fig. 3. Computer Tomography equipment & 5-axis machining unit[3]
Fig. 4. A modeling process of the surface of a joint facet using the Unigraphics program(yellow arrowhead)
Fig. 5. A process of designing surface modeling with solid modeling and confirming the designed surface modeling
Fig. 6. Setting facets for solid modeling machining, a CAM control tool and 5-axis machining shapes
Fig. 7. A process of 5-axis machining that uses graphite materials and the tools used
Table 1. Machining materials, tools and machining methods
Table 2. Comparison of the Computer Aided Manufacturing(CAM) work computation time for the modeling
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