Abstract: The article was only an attempt of computer aided process planning (CAPP). The author used the semi-creation principle and conducted aided process planning for parts of shaft kind on the computer model-MZ731. A software with technological process of semi-creation parts was developed by type or group. This soffware can simplity programme and reduce internal storage. It will make the CAPP be easier applied, on similar computers, to middle-small enter-pnises.