spiral stair modeling in rhino | decorative stair in rhino

🔴there are some interior/exterior architecture projects that you may need to model a decorative stair for them. in this tutorial we learn how to create a spiral stair in Rhino with the most accurate and classified instruction I have reached to. If you go through these steps, modeling spiral stairs in this software will be so easy for you.
there are some key steps we take in this process:
1- creating the center of stair box & main vertical axis
2- defining the value of inner and outer radius
3- knowing how many stair steps we want for our defined height between two levels
3-2- attention to the nosing part of steps
4- creating rails

🔴commands and components that we use:
-point
-line
-circle
-polar array
-extrude
-offset surface
-offset curve on surface
-split
-pipe
-curve boolean
-helix
-extract isocurve
-join
-scale

🔴Video link:
   • spiral stair modeling in rhino | deco...  

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