How to Design a Circular Staircase in AutoCAD

In this video, I show you how to create a Circular / Spiral Stair in AutoCAD 3D using simple and professional modeling techniques. This step-by-step tutorial covers everything—from drawing the 2D plan to completing the full 3D staircase with treads, risers, center pole, and handrail.

Whether you are an Architecture Student, Draftsman, Civil Engineer, or Interior Designer, this tutorial will help you improve your AutoCAD 3D modeling skills.

In this video you will learn:

✔ How to create a 2D plan for a spiral staircase
✔ Setting correct tread & riser measurements
✔ Modeling steps using the EXTRUDE command
✔ Creating the full stair using POLAR ARRAY
✔ Modeling the center pole
✔ Creating a realistic handrail using HELIX + SWEEP
✔ Tips for clean modeling and realistic rendering

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