Stair by Linework

This tool create stairs from a set of lines / polylines / arcs / curves.
To create the stairs:

1. Select the tool

2. Open the Selection Info palette, and set the Riser height.

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Using this pattern as an example:

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3. Select 2D polyline/circular arc for the Stair's Linework Left side path (1)

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Note: the selection of the right/left side define the direction of the stairs.

4. Select 2D polyline/circular arc for the Stair's Linework right side path (2) 

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5. Select 2D polyline/circular arc for the Stair's Linework path (3) 

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6. Select 2D polyline/circular arc for the Stair's Linework Tread's Riser path (4-10)

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Note:

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It is important to select the riser in sequence from first to last in order to get predictable results.

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7. After you have chosen two risers you will be prompted to Select 2D polyline/circular arc for the Stair's Linework Tread's Riser path or use "Finish" from local menu to create stair. 

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Select additional risers or click Finish in the local menu or Inspector bar to complete the stair.

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Note: at anytime in steps 3-6 you can opt to use One Step Back from the local menus or Inspector bar.