Inthelate1950s,hardwarebecameavailablethatallowedthemachiningof3Dshapesoutofblocksofwoodorsteel.1Theseshapescouldthenbeusedasstampsanddiesforproductssuchasthehoodofacar.Thebottleneckinthisproductionmethodwassoonfoundtobethelackofadequatesoftware.Inordertomachineashapeusin