Central Column tab
Here you decide the dimensions of the steps if you have selected the "Central struts" design.
| Setting | Description |
|---|---|
| Plate Thickness | The thickness of the step. |
| Bent radius | The inner radius of the fold, should any front or back edge length be given. |
| Edge length at front | The length of the front fold (this refers to the straight piece of the inner edge). |
| Rear border length | The lengths of the back edge (this refers to the straight piece of the inner edge). |
| Straight outer border | The outer edge of the step is designed as a straight edge (string of the arch). Otherwise this is adjusted to the radius of the spiral. |
| Open at the top | The fold of the step occurs towards the upper side of the step. |
| Enable hand rail | If this field is selected, the steps are drilled on the outer side to take the banister posts. |
| Number of pillars | The number of post holes per step. |
| Diameter | The diameter of the post hole. |
| Front Distance | The distance of the post hole from the front edge of the step (in radian measure). |
| Distance Between | The spacing between the respective post holes (in radian measure). |
| Height Offset | The distance of the banister posts from the upper edge of the step. |