To draw a spiral staircase:
Basic materials needed
1. First draw the guideline of the cylinder.
2. Mark the starting of the stairs and draw the angles to its first vanishing point.
3. Draw the next angle to its next vanishing point. Similarly complete all the angles.
4. Draw the actual stairs on the angles.
5. Add the Hand Rail to complete the Spiral Staircase.
The viewers would be able to draw a spiral staircase very easily after viewing this video.