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Top Step

Context toolbar for defining a stair’s line of travel and geometry

When you have defined the outline of the stair, you can use the Top Step parameter to set the height of the top step relative to the top of the flight. You can specify whether the top step is at the same height as the top of the flight (THg) or whether it is located below the top of the flight by the height of one riser (TH-).

(A) THg, top step at height of top of slab
(B) TH-, top step one riser below top of slab
(C) Top of slab



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