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Show Section Mark : Select whether to display the Section Mark when creating the Cutting View. Turning this setting off will also turn off the existing Section Mark.
Show only Start Mark : Show only Start Section Mark.
Use Different Start/End : Apply different Section Mark Block to Start and End, respectively. Turning this setting off will disable the End Section Mark selection window. Also, the Section Mark of Start is mirrored to the End.
Section Mark Block(Start) : Select Start Section Mark Block.
Section Mark Block(End) : Select End Section Mark Block.
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