Houseplan is a 3D modeling and real-time rendering programme that has useful 3D tools and features, enabling architects, urban planners, amateurs, etc. to present building ideas easily and efficiently.

How to access the tool

Select the Stairs Along Lines tool, Scene > Facilities > Steps

Set the parameter values according to the prompt

specify the area of the outdoor steps

Or, Select the Fixed Position Stairs tool, Scene > Facilities> Steps, shown as below,

Select the sides to be converted to steps and input number of steps, Enter

Check the video for more about adding outdoor steps in Houseplan