Denford Orac Lathe Arc Do-loop

does anybody know if it is possible to make an Arc do-loop on the denford orac lathe. if you know could you possibly help me. i really
could use this because we are doing a project in my CAM class at my high school and if i am not able to figure out how to do this then i would have to do about 12 do-loops. another thing that would help is if somebody could just get me the denford orac lathe post processor for mastercam. I have not yet been able to figure out how to do toolpaths for mastercam lathe but i could get help.
thanks for any help.
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