HOW TO DESIGN SPIRAL STAIRCASE IN AUTOCAD - PART 1 

Thanks

The Array command is on the last row by the right of the Modify Panel. Click on the tiny arrow beside the icon and select Polar Array.

Thanks for your observation. That portion of the video was mistakenly trimmed off during editing, but I'll show you step by step on how to create the path. 1. Click on the Helix Command on the Draw panel and Enter. 2. Click on the centre of the circle 3. Click the Quadrant point of the circle (base radius) Enter. 4. Click the same Quadrant point of the circle (top radius) Enter 5. Right Click and select turns, Enter 1 (one turn of the helix) Enter 6. Enter 3000 as height of the helix. The Path will appear.