The vertical portion between each tread on the stair. This may be missing for an "open" stair effect.Stair Design DWG File, Stair Design Detail, Stair Design Download file.
Stair design
Development rest rooms and
Download Free Lift Plan Au
Stair Structure detail
Stair Case Detail
Steel stairs details dwg
Lift elevator block CAD me
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Stairway Detail
2d view elevator block det
section drawing of stair w
Elevator detail 2d view CA