| 摘要 |
Disclosed is a method of producing an object (8), the method comprising: providing a workpiece (50) comprising a plurality of attachment features (32) for attaching the workpiece (50) to a machining fixture (40); determining a datum, the datum being dependent upon the relative positions of the attachment features (32); measuring the surface of the workpiece (50) with respect to the datum; providing the machining fixture (40); attaching, using the attachment features (32), the workpiece (50) to the machining fixture (40); providing a digital model specifying the object (8) including the attachment features (32); and, thereafter, using the measurements of the workpiece surface and the digital model, controlling machining apparatus with respect to the datum to machine the workpiece (50) so as to produce the object (8) as specified by the digital model. |
