Free-form stair, example 2

Tool(s): Free-Form

Example 2:

(1) Bottom
(2) Top
(3) Line of travel
(4) Inner boundary: Points 1 through 5
(5) Outer boundary: Points 6 through 10
Points on line of travel: Points 11 through 15
(A) Start angle: = + 200°
(B) Angle of rotation = delta angle = - 40°