Modeling a Spiral Staircase

Model the Step

1. Create a Tube object.
   1. Object Tab
      1. Inner Radius = 0
      2. Outer Radius = 200
      3. Rotation Segments = 5
      4. Height = 10
   2. Slice Tab
      1. Slice = On
      2. From = -10
      3. To = 10
2. Rename the Tube to "Step"

Add a Hand Rail

1. Create a Cylinder object.