Cutting metal siding/roofing on CNC Router

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I’m looking at one piece at a time. I have two 50 ft runs (100/3) 33 sheets that when put together does a continuous slope down. I would be doing one cross cut off the end per sheet. No drilling, circles, arc’s, etc. The mail reason I want to do on the cnc is for accuracy and clean cut. Nibbers and sheers are almost impossible. Circular say might be an option if I use a trace saw but not sure what that might do to the track.