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NOTE This is equivalent to selecting the Flip grip that mirrors the
stair around its start point.
Changing the Constraints of a Spiral Stair
Use this procedure to control what constrains the spiral stair by specifying
the total degrees or the number of degrees per tread to use. These fields are
available only when you select a spiral-shaped stair to modify.
1 Double-click a spiral stair to open the Properties palette.
2 Click the Design tab, expand Basic, and expand Dimensions.
3 Specify the arc constraint:
Then…If you want to…
select Free for Arc constraint.display the spiral stair with no con-
straint
select Total degrees for Arc con-
straint, and enter a value for Arc
angle.
specify the total degrees for the
stair flight
select Degrees per tread for Arc
constraint, and enter a value for Arc
angle.
specify the specific degree for each
tread in the stair
4 Specify the Radius of the stair.
Changing the Constraints of a Spiral Stair | 2167
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