Following are the links to the previous blogs from this blog series:

• Smart 3D Modeling Blog Series: Designing a Variable Sized Ladder - Blog 1 of 4
• Smart 3D Modeling Blog Series: Designing a Variable Sized Ladder - Blog 2 of 4
• Smart 3D Modeling Blog Series: Designing a Variable Sized Ladder - Blog 3 of 4

Sample DGN file for this blog series is shared here.

Creating an Array of the Rung

In the previous blog, we saw how to create a rung. Now, we will create an array of the rung to complete the ladder design.

1. Start the Array Feature tool.
2. Make the following settings in the Array Feature tool settings window:
   1. Array Type – Rectangular
   2. Array About – Feature
   3. Angle – Select the Array_Angle variable
   4. Rows – Select the Number_Of_Steps variable
   5. Columns – Set it to 1
   6. Row Spacing – Select the Array_Row_Spacing variable
   7. Column Spacing – Set it to 1
   8. Whole Element - Off
3. Select the step.
4. Note: If the array isn’t being placed at the correct angle, you will have to adjust the Array_Angle variable to fix it.
5. Enter a data point.

Now the ladder design is ready. Open the Variables dialog and change to Variations in it to adjust the ladder to different values of variables.