Compact Column Stair
By Huu Khanh Nguyen · Updated October 29, 2026 · stair, eestairs, space-saver, column, compact
A stair on a slightly slanted steel column that fits a one metre square opening, its steps turning clockwise or anticlockwise up to the floor above.
Parameters
| Name | Default | Unit |
|---|---|---|
| Floor to ceiling | 2700 | mm |
| Rotation | right | |
| Finish | white | |
| Risers | Math.ceil(ceilingHeight / 230) | |
| Opening side | 1000 | mm |
| Column diameter | 100 | mm |
| Tread thickness | 30 | mm |
| Tread turn | 45 | ° |
| Turn per step | 22.5 | ° |
| Column slant | 4 | ° |